efficient, excellent, good, valuable
adequate
bad, inadequate, poor, terrible
complete, comprehensive, full
standard
basic
free
premium
personalized (esp. AmE), specialized
specialized services for the deaf and hard of hearing

backup, support
ambulance (esp. BrE), emergency, fire (BrE), police (BrE), rescue (esp. BrE)
A passer-by called the emergency services (= the ambulance/fire/police service). (BrE)

essential
Essential services (= the supply of water, gas, electricity) will be maintained.

vital (esp. BrE)
paramedics who provide a vital service to the public

public
available
Find out what services are available in your area.

Internet, online, Web, Web-based
an online dating service

broadband, dial-up, high-speed, wireless
wireless Internet services

download
The studio launches its own digital music download service next month.

messaging
I typed my password into my instant messaging service.

phone, telephone
satellite
subscription
advisory (esp. BrE), consulting (esp. AmE), counselling/counseling
health, health-care, medical, etc.
customs, diplomatic, foreign, library (esp. BrE), postal, prison (BrE), probation (BrE), prosecution (BrE), social
She works for the social services

information, news, wire (esp. AmE)
banking, financial
intelligence, secret, security
dating, escort

offer (sb), provide (sb with)
We offer a comprehensive service to home buyers.

operate, run
maintain
guarantee
improve
launch
expand, extend
We need to expand this valuable service to other cities.

axe (BrE), cut, cut back, cut back on, suspend
This government has systematically cut back public services since it took office.

restore
access, make use of, use
The new system will enable people to access the service more easily.
people who use the health-care service

complain about

improve
deteriorate

provider
Internet service providers

business, company
a financial services company

organization (esp. AmE)
social service organizations

economy, industry, sector
pack (computing)

service for
mental health services for young people

service to
The company provides products and services to customers in 145 countries.

goods and services, products and services

efficient, excellent, first-class, good, professional, quality
bad, poor, terrible
prompt, quick
slow
friendly, personal
customer
after-sales (esp. BrE)
We offer excellent after-sales service on all our goods.

room
If you would like a meal in your room, please call room service.
We ordered room service.

deliver sth (to sb), give (sb), offer (sb), provide (sb with)
Our main concern is to provide quality customer service.

get, receive
improve
guarantee
We guarantee first-class service.

complain about
I complained about the poor service.

job (AmE)
worker (AmE)
retail and food service workers

meritorious, outstanding
faithful
long
active
He died on active service.

military, national (esp. BrE), selective (AmE)
domestic
a job in domestic service

civil (esp. BrE), community, public
a public-service announcement
public-service broadcasting

voluntary (esp. BrE)
jury (esp. BrE)
available for jury service

do
All 18-year-old males are required to do a year's military service.

see (esp. BrE)
He saw service during the First World War.

begin, enter
The aircraft entered service with the Swedish Air Force in 1997.

leave
take sth out of
The ship has been taken out of service for extensive cleaning.

member (AmE), personnel
retired military service members

record
his military service record during the Vietnam War

service to
service to the community

conditions of service
in the service of your country, in the service of God

great, invaluable, valuable
professional

be of, do sb, perform, render
May I be of service to you?
You have done us a great service.
payment for services rendered

offer (sb), provide (sb with)
She offered her services as a babysitter.

sell
They sold their services to a major airline.

advertise
a plastic surgeon advertising his services on the Internet

need, seek
to seek the services of an attorney

charge, fee

at your service
The cabin staff are at your service throughout the flight.

services of
We need the services of a good lawyer.

service to
He was given an award for his services to the disabled.

armed

go into, join
Most of the boys went straight into the services.

efficient, good, reliable
fast
frequent, regular
direct, non-stop (esp. AmE)
full
limited, reduced
We will be operating a reduced service while engineering work takes place.
There is a limited service on these bus routes.

scheduled
changes to scheduled services

bus, car, coach (BrE), ferry, rail, subway (AmE), taxi, train, tram (BrE), tube (BrE), underground (BrE)

lay on, offer (sb), provide (sb with)
Bus companies are planning to lay on extra services.

operate, run
add (AmE), extend, improve
US Airways also added service recently to the Dominican Republic.

suspend
axe (BrE), cut
restore
use

in service
This bus is not in service.

out of service
service between
The company offers direct, fast and frequent services between large towns and cities.

service from, service to
services from Bangkok to Chiang Mai

church, religious
funeral, marriage, memorial
afternoon, evening, morning

attend, go to
hold

service for
memorial service for people killed in the attack