to investigate, to look up, to look into, to study, to examine, to check up on, to look over / (music) to play, to perform (an instrument) / (music) to tune

sample

sample, free trial sample

doctor

needed, necessary

need, necessity

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me