Emily Dickinson Lexicon

confirm (-ed, -s), v. [ME conferme-n < L. confirmāre, make firm, strengthen, establish.] (webplay: firm, hands, opinion, resolution, souls).

1. Establish; fix firmly; make sure.
2. Appoint; assign; establish; call; set apart; give full blessings; provide with unlimited privileges, powers, and opportunities; [fig.] accept into a congregation; identify as a member of a religious group.
3. Verify; provide certainty; give new assurance of truth.