THESAURUS
react
acknowledge, act, answer, answer back, be affected, be in tune, be inspired, be involved, be moved, behave, care about, catch the flame, catch the infection, change color, color with emotion, come back, come back at, dig, echo, empathize with, flash back, function, give acknowledgment, give answer, identify with, operate, perform, proceed, reciprocate, recur, reecho, rejoin, relate to emotionally, renovate, reply, respond, retaliate, retort, return, return answer, return for answer, reverberate, revert, riposte, say, say in reply, share, shoot back, snap back, sympathize with, take, take the bait, talk back, turn, turn back, work
ROGET THESAURUS
react
Counteraction
VB
counteract, run counter, clash, cross, interfere with, conflict with, contravene, jostle, go against, run against, beat against, militate against, stultify, antagonize, block, oppose, traverse, withstand, hinder, repress,
react, undo, neutralize, counterpoise, overpoise.
Recoil
VB
recoil,
react, spring back, fly back, bounce back, bound back, rebound, reverberate, repercuss, recalcitrate, echo, ricochet.