The term 'prevail over' can be defined as having a greater influence or power than something else. The crossword solutions for this term are 'CANCEL' (6 letters), 'OVERRULE' (8 letters), 'OUTWEIGH' (8 letters), 'DEFEAT' (6 letters), 'PREDOMINATE' (11 letters), 'beatout' (7 letters), and 'CONQUER' (7 letters). Each of these words implies that one thing is more powerful than another, either by canceling out the other, overruling it, outweighing it, defeating it, predominating it, beating it out, or conquering it.