Entry 2 senses · 2 variants Webster, 1913 aviate · IPA /ˈeɪvieɪt/ v. t. & i. v. i. 01 v. t. & i. fly an airplane. 1. fly an airplane. Syn. fly, pilot. 02 v. i. To fly, or navigate the air, in an aëroplane or heavier-than-air flying machine. imp. & p. p. Aviated; p. pr. & vb. n. Aviating 1. To fly, or navigate the air, in an aëroplane or heavier-than-air flying machine.[Colloq.]