motion in WordNet English dictionary

1. an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
   "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement"
   apparent motion  motion  apparent movement  movement 
   
2. the use of movements (especially of the hands) to communicate familiar or prearranged signals
   gesture  motion 
   
3. a change of position that does not entail a change of location
   "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"
   motion  movement  move  motility 
   
4. the act of changing location from one place to another
   "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"
   motion  movement  move 
   
5. a formal proposal for action made to a deliberative assembly for discussion and vote
   "he made a motion to adjourn"; "she called for the question"
   motion  question 
   
6. a natural event that involves a change in the position or location of something
   movement  motion 
   
7. a state of change
   "they were in a state of steady motion"
   motion 
   

1. show, express or direct through movement
   "He gestured his desire to leave"
   gesticulate  gesture  motion