Sit (?), obs. 3d pers. sing. pres. of Sit, for sitteth.
[1913 Webster]

Sit (?), v. t. 1. To sit upon; to keep one's seat upon; as, he sits a horse well.
[1913 Webster]

Hardly the muse can sit the headstrong horse. Prior.
[1913 Webster]

2. To cause to be seated or in a sitting posture; to furnish a seat to; -- used reflexively.
[1913 Webster]

They sat them down to weep. Milton.
[1913 Webster]

Sit you down, father; rest you. Shak.
[1913 Webster]

3. To suit (well or ill); to become. [Obs. or R.]
[1913 Webster]