seated
v.v. to help someone find their place to sit, or to move someone into a chair. You often hear this in a restaurant when a host leads you to your table.
v. to facilitate the act of sitting by directing or escorting someone to a specific place. Often used in the passive voice to describe a state of being in a seat.
The host seated us at a quiet table near the window.
After the guests arrived at the wedding reception, the ushers seated them according to the formal plan.
The usher quietly seated the latecomers during the first intermission to avoid disrupting the performance already in progress.
The verb is transitive and requires a direct object; it is frequently used in the passive voice ('be seated').
Please seat down on the chair.Please sit down on the chair.Learners confuse the transitive verb 'seat' with the intransitive verb 'sit'. 'Seat' requires an object or a reflexive pronoun.