complete, great, maximum, modest, reasonable
They live in modest comfort.

comparative (esp. BrE), relative
added
a quilted cover for added comfort

domestic, personal, physical

level
zone
She's willing to venture outside her comfort zone (= try things that are more challenging).

for comfort
I dress for comfort rather than elegance.

in comfort
I like to travel in reasonable comfort.

comfort of
He enjoys dangerous sports from the comfort of his couch.

a degree of comfort, a standard of comfort
The hotel offers a high standard of comfort.

in the comfort of your own home
Learn a new language in the comfort of your own home.

too close for comfort
The sound of gunfire was too close for comfort.

great
little, small
cold
A drop in the unemployment rate was cold comfort for those without a job (= not much comfort at all).

crumb, word

bring sb, give sb, offer sb, provide sb with
His kind words brought some comfort to the grieving parents.

derive, draw, find, get, have, seek, take
They sought comfort in each other.
We took great comfort from the fact that our savings were safe.

need
I need all the comfort I can get right now.

food
Chocolate is a great comfort food.

comfort in
She found comfort in music.

a source of comfort

great

comfort to
The children have been a great comfort to me through all of this.

modern
creature, home (BrE), material
I hate camping—I miss all my creature comforts.

spiritual