transitive. To constrain (a person to some action) by putting him upon his oath, or by appealing to something sacred; to charge or call upon in the…

To make a speech or plea in place of or on behalf of (a person); in later use esp. to plead for. Also, to make representations concerning (a thing)…

transitive. To put (one) to a vow or oath, to bind with a vow (to some act, to do something).

transitive. To bind under oath; to command or appeal to (a person) to do something in the name of God or a god, or under penalty of some…

transitive. To pledge (one's faith or troth). Obsolete.

To fix, bind, pledge, engage. Obsolete.

To bind as by a formal promise. Obsolete. (Cf. engage, v. 4.)

To engage by a pledge or contract, esp. for or by marriage; to betroth, espouse: = assure, v. 4, ensure, v. 5. Obsolete. rare.

transitive. To put (a person) under a pledge; to bind by or as by a pledge. Frequently reflexive. Usually with to.

To make to promise, put upon one's parole.

transitive. To bind by or charge under oath; to urge.

transitive. To bind by an oath or solemn engagement. Const. to or †to do, also against.

To put (a person) on his or her oath; technical among ‘Friends,’ to put him on his solemn declaration. Also, to administer the oath of allegiance…