perforce

By constraint of circumstances; of necessity; as a matter of course.

Mr. Wickham's happiness and her own were perforce delayed a little longer, and Mr. Collins's proposal accepted with as good a grace as she could..

"Keep fast thy hold, for by such stairs as these," The Master said, panting as one fatigued, "Must we perforce depart from so much evil."

By force.

If ſhe denie, Lord Hastings goe with him, And from her iealous Armes pluck him perforce.

For you, most wicked sir, whom to call brother Would even infect my mouth, I do forgive Thy rankest fault; all of them; and require My dukedom of thee, which, perforce, I know Thou must restore.

To force; to compel.