The Collaborative International Dictionary
Equipollent
Equipollent \E`qui*pol"lent\, a. [L. aequipollens; aequus equal + pollens, -entis, p. pr. of pollere to be strong, able: cf. F. ['e]quipollent.]
Having equal power or force; equivalent.
--Bacon.(Logic) Having equivalent signification and reach; expressing the same thing, but differently.
Wiktionary
equipollent
a. 1 having equal power or force 2 (context logic of each of two statements English) able to be deduced from the other 3 equivalent