React

rē-akt′, v.t. to act anew.— v.i. to return an impulse in the opposite direction: to act mutually on each other.— n. Reac′tion , action resisting other action: mutual action: backward tendency from revolution, reform, or progre .— adj Reac′tionary , for or implying reaction.— n. one who attempts to reverse political action.— n. Reac′tionist .— adj Reac′tive .— adv. Reac′tively .— ns. Reac′tivene , Reactiv′ity .