gesture

(noun) motion of hands or body to emphasize or help to express a thought or feeling.

(noun) the use of movements (especially of the hands) to communicate familiar or prearranged signals. Synonyms: motion.

(noun) something done as an indication of intention. Examples: "A political gesture." "A gesture of defiance."

(verb) show, express or direct through movement. Synonyms: gesticulate, motion. Example: "He gestured his desire to leave."