verb

tell someone about a secret or private matter while trusting them not to repeat it to others.

he confided his fears to his mother

reveal,disclose,divulge,leak,lay bare,make known,betray,impart,pass on,proclaim,announce,report,declare,intimate,uncover,unmask,expose,bring out into the open,unfold,vouchsafe,tell,confess,admit,let slip,let out,let drop,let fall,blurt out,babble,give away,blab,spill,discover