Noun

1. A space reserved for sitting (as in a theater or on a train or airplane)
2. The fleshy part of the human body that you sit on
3. Furniture that is designed for sitting on
4. Any support where you can sit (especially the part of a chair or bench etc. on which you sit)
5. A center of authority (as a city from which authority is exercised)
6. The location (metaphorically speaking) where something is based
7. The legal right to sit as a member in a legislative or similar body
8. A part of a machine that supports or guides another part
9. The cloth covering for the buttocks

Verb

1. Show to a seat; assign a seat for
2. Be able to seat
3. Place ceremoniously or formally in an office or position
4. Put a seat on a chair
5. Provide with seats
6. Place or attach firmly in or on a base
7. Place in or on a seat