to encourage a person to be cheerful, finish a task etc by making frequent requests etc

chase, follow

to find out (the existence or presence of something)

discover

to discover, show, the position of (something); to establish (something) in a place

find

to go after (a person, animal, car etc) in order to catch or kill

chase, follow

to look for (a person, thing); try to find; to ask for (something)

look for