The Collaborative International Dictionary
Equiponderate
Equiponderate \E`qui*pon"der*ate\, v. t.
To make equal in weight; to counterbalance. ``More than
equiponderated the declension in that direction.''
--De
Quincey.
Equiponderate
Equiponderate \E`qui*pon"der*ate\, v. i. [Equi- + L. ponderare
to weigh. See Ponderate.]
To be equal in weight; to weigh as much as another thing.
--Bp. Wilkins.
Wiktionary
equiponderate
vb. To counterbalance.