S: (v) solve, work out, figure out, puzzle out, lick, work (find the solution to (a problem or question) or understand the meaning of) "did you solve the problem?"; "Work out your problems with the boss"; "this unpleasant situation isn't going to work itself out"; "did you get it?"; "Did you get my meaning?"; "He could not work the math problem"
S: (v) understand (know and comprehend the nature or meaning of) "She did not understand her husband"; "I understand what she means"