to make a person feel certain, cause a person to realize

gain the confidence of

(to cause a wound) to become healthy and sound

cure, recover

to persuade or influence (a person); to cause, bring, about (something)

cause to happen; encourage

to make (a person) feel certain about, believe something

cause to believe; convince to do

to obtain (something), especially with care or effort

acquire, obtain

to give new strength to (oneself, one's energy etc); to eat or drink

make like new; give new life

to bring (something) back into use

revive

to put new life, restore power or strength etc into (a person, plan etc)

refresh

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

start again; bring back to life