v. 25B6; verb
this signified a fundamental change : BE EVIDENCE OF, be a sign of, mark, signal, mean, spell, be symptomatic of, herald, indicate; poetic/literary betoken.
the egg signifies life : MEAN, denote, designate, represent, symbolize, stand for; poetic/literary betoken.
signify your agreement by signing below : EXPRESS, indicate, show, proclaim, declare.
the locked door doesn't signify : MEAN ANYTHING, be of importance, be important, be significant, be of significance, be of account, count, matter, be relevant.