gesticulation

noun gesticulation

• nod — to make a slight, quick downward bending forward of the head, as in assent, greeting, or command.
• curtsy — If a woman or a girl curtsies, she lowers her body briefly, bending her knees and sometimes holding her skirt with both hands, as a way of showing respect for an important person.
• signal — anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, an act, etc.: a traffic signal; a signal to leave.
• sign — a token; indication.
• bow — When you bow to someone, you briefly bend your body towards them as a formal way of greeting them or showing respect.