congratulateI congratulated him on passing his driving test.
complimentI was just complimenting Robert on the wonderful meal he has cooked.
commendThe judge commended her for her bravery.
pay tribute toHe paid tribute to the firefighters who had saved his daughter's life.
flatterI knew he was only flattering me because he wanted to borrow some money.
raveinformalEveryone's raving about the new band.