equipollent

But, since is and exists are equipollent, and so being and existing, is being is the same as the unimpeachable is existing.

From The Verbalist A Manual Devoted to Brief Discussions of the Right and the Wrong Use of Words and to Some Other Matters of Interest to Those Who Would Speak and Write with Propriety. by Thomas Embly Osmun

And then said a Clerk to me, "Is not the Word of GOD, and GOD Himself equipollent, that is, of one authority?"

From Fifteenth Century Prose and Verse by Various

The condition and the major term are "equipollent" in their extension.

From The Sarva-Darsana-Samgraha Review of the Different Systems of Hindu Philosophy by Madhava Acharya

The ladder of Masonry, like the equipollent ladders of its kindred institutions, always had seven steps, although in modern times the three principal or upper ones are alone alluded to.

From The Symbolism of Freemasonry by Albert G. Mackey

Nor is aught of an equipollent conflict seen, nor the weaker's flashed device; Headless is offered a breast to beaks deliberate, formal, assured, precise.

From Poems — Volume 3 by George Meredith