Cheer up is an expression used to ENCOURAGE someone who is feeling down or depressed. The crossword solutions for this term include BRIGHTEN (8 letters), HEARTEN (7 letters), ENCOURAGE (9 letters), ELATE (5 letters), BUOY (4 letters), GLADDEN (7 letters), LIVEN (5 letters), PERK (4 letters), ENLIVEN (7 letters), AMUSE (5 letters), SOLACE (6 letters), CONSOLE (7 letters), gethappy (8 letters), snapoutofit (11 letters), and elevateonesmood (15 letters). All of these words have the same meaning, which is to make someone feel better or more positive.