plummet drop
A synonym for the season Autumn is Fall.
fall
fall
crashdroploweringdwindledraw backtumbleeasecollapsedecrease
because of antonym
water fall
descend,go down,fall,sink
Wave, swell, surge, rise and fall...
movement, moving, locomotion, rise and fall, shifiting
Surge, ripple, wave, swell, flow, rise and fall...
decrease, fade, lessen, fall, Or: deny, reject, refuse
break, separate, split up, fall apart, come apart