gesticulate (verb) - to gesture or communicate with vigorous gestures that substitute for speech [je-stik-yuh-leyt]
BREAKDOWN: GEST- (to carry or act) + -CULE (little) + -ATE (make or do)
a gesture is a motion of the limbs or body to express thought or emphasize speech; any act or expression made as a sign
gesticulation is the act of making gestures
gesticulative means of or pertaining to gesticulation
“All drama teachers are very effusive, very emotionally open, very big, and gesticulate a lot, and are very physical. Those people don't work in banks and they don't work for pharmaceutical companies. They teach drama, or they may be theatre directors.” —Steve Coogan