The Oxford Thesaurus An A-Z Dictionary of Synonyms - wag°v.

1) wave, waggle, oscillate, fluctuate, sway, undulate, flutter, flap, flip, flicker, shake, vibrate, quiver, nod, rock, dance, wobble, bob, bobble, waver, Rare vellicate: Misty's tail wagged as I approached the house. --n. 2) wave, waggle, oscillation, fluctuation, sway, undulation, flutter, vellication, flap, flip, flicker, shake, vibration, quiver, nod, wobble, bobble, waver: The dying animal recognized me and gave a feeble wag of her tail.