blanket (esp. BrE), complete, outright, total
partial
temporary
overtime
advertising
a blanket advertising ban on tobacco

driving
smoking
test
a nuclear test ban treaty

constitutional (AmE)
federal (AmE)

enact (esp. AmE), impose, introduce (esp. BrE), place, put
They have imposed a ban on the import of seal skins.

enforce
lift, overturn, remove
uphold
tighten
ease
The ban on exports has now been eased.

call for, demand, support
oppose, reject
comply with
defy (esp. BrE)
The students took to the streets, defying a ban on political gatherings.

come into force, start
apply to sth, cover sth
The ban only covers tropical hardwood.

affect sth
The ban will affect all public and work premises.

ban on
a ban on smoking in public places

effectively
formally, officially
completely

attempt to, seek to, try to
vote to
Congress has voted to ban online gambling.

from
The weightlifter was banned from the Olympics for failing a drugs test.
He has been banned from driving for a year. (BrE)

an attempt to ban sth, a move to ban sth (esp. BrE)
a move to ban tobacco advertising

a decision to ban sth

Ban is used with these nouns as the subject:
amendment, bill, convention, injunction, law, magistrate, regulation, treaty

Ban is used with these nouns as the object:
abortion, book, demonstration, discrimination, export, film, gambling, hunting, import, marriage, meeting, practice, rally, sale, shipment, slaughter, slavery, smoking, strike, trade, use