'Interact' definitions:

Definition of 'interact'

From: WordNet
verb
Act together or towards others or with others; "He should interact more with his colleagues"

Definition of 'Interact'

From: GCIDE
  • Interact \In`ter*act"\, n. [Pref. inter- + act. Cf. Entr'acte.] A short act or piece between others, as in a play; an interlude; hence, intermediate employment or time. --Chesterfield. [1913 Webster]

Definition of 'Interact'

From: GCIDE
  • Interact \In`ter*act"\, v. i. To act upon each other; as, two agents mutually interact. --Emerson. --Tyndall. [1913 Webster]