to shake, to agitate, to churn, to churn up
Agítese bien antes de usarlo ― Shake well before using
Agitó su cabeza con incredulidad. ― She shook her head in disbelief.
to wave, to flail
Es hora de agitar la bandera blanca y rendirnos. ― It's time for us to wave the white flag and surrender.
to wag
to stir, to stir up, to agitate, to shake up, to rattle, to ruffle (provoke)
agitar las cosas ― to stir things up
(transitive, reflexive) to flap (e.g., wings, sails)
(reflexive) to churn, to be shaken, to be tossed (about), to be stirred, to be agitated