To have or keep a seat upon.
To hold a session.
To be becoming; fit; suit.
Sitter.
Sit down and rest. – The Magnetic North by Elizabeth Robins (C. E. Raimond)
" I shall not sit up with you," said Mrs. Ascher. – Gossamer 1915 by George A. Birmingham
After all, we can only sit in one room at a time. – The Title Market by Emily Post