acquaint, advise, apprise, brief, catch up, clear, clue (in), enlighten, familiarize, fill in, hip, inform, instruct, tell, verse, wise (up)

advertise, alert, notifyannounce (to), disclose (to)assure, certify, convince, reassure, warranteducate, lecture, school, teach, tutordisabuse, disenchant, disillusion, undeceive

let (someone) know

misinform, mislead