gesture

/ˈdʒɛstʃər/
noun
  1. A movement of part of the body, especially the hands or head, to express an idea or feeling.
    • She made a thumbs-up gesture to show her approval.
    • The teacher used a hand gesture to tell the students to be quiet.
    • A wave is a common gesture for saying hello or goodbye.
  2. An action performed to express a feeling or intention, often one that is kind or symbolic.
    • The company made a gesture of goodwill by donating to the local school.
    • Bringing flowers was a nice gesture of apology.
    • His offer to help was a generous gesture.
verb
  1. To make a movement with part of the body, especially the hands or head, to express something.
    • He gestured for her to come closer.
    • She gestured wildly to get the driver's attention.
    • The guide gestured toward the ancient ruins.
Synonyms