To establish, settle, confirm (a person, etc.); to strengthen (in resolution), encourage. Obsolete.

To cause to take sides definitely; reflexive to range oneself, or pronounce, for or against. Obsolete.

transitive. To decide the course of (a person); to bring to the determination, decision, or resolution (to do something).

transitive. Of an event or circumstance: to make (a person) resolved or determined to do something. Also with on.