to remove errors from, make small improvements to, (writing, a speech)

correct

(to cause a person, condition) to become better

make or become better

to build or put together (something)

repair

to supply a new cover for (something)

make or become better

to give (something stolen, borrowed, lost etc) back; to bring (something) back into use; to make (a person) well or normal again

fix, make new

to bring (something) back into use

revive

(to cause a person, business etc) to come back to consciousness, health or good state

start again; bring back to life