motion

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

(noun) a natural event that involves a change in the position or location of something. Synonyms: movement.

(noun) a change of position that does not entail a change of location. Synonyms: movement, move, motility. Examples: "The reflex motion of his eyebrows revealed his surprise." "Movement is a sign of life." "An impatient move of his hand." "Gastrointestinal motility."

(noun) a state of change. Example: "They were in a state of steady motion."

(noun) a formal proposal for action made to a deliberative assembly for discussion and vote. Synonyms: question. Examples: "He made a motion to adjourn." "She called for the question."

(noun) the act of changing location from one place to another. Synonyms: movement, move. Examples: "Police controlled the motion of the crowd." "The movement of people from the farms to the cities." "His move put him directly in my path."

(noun) an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object. Synonyms: apparent motion, apparent movement, movement. Examples: "The cinema relies on apparent motion." "The succession of flashing lights gave an illusion of movement."

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