to express pleasure to (a person), as on a happy occasion

They congratulated him on his marriage.

Archaic . to express sympathetic joy or satisfaction at (an event).

Obsolete . to salute.

verb

commiserate , criticize , harp , condole with

verb

applaud , bless , boost , felicitate , give a big cigar , give bouquet , give regards , gold star , hand it to , hear it for , laud , pat on back , praise , rejoice with , salute , stroke * , toast , wish happy returns , wish joy to , wish one well , commend , plume , preen , compliment , gratulate , pique , sympathize