1. (n.) Equality of weight or force; hence, equilibrium; a state in which the two ends or sides of a thing are balanced, and hence equal; state of being equally balanced; -- said of moral, political, or social interests or forces.

2. (n.) Counterpoise.

balance ballast coequality coextension consideration correspondence counterbalance counterpoise counterweight equality equation equilibrium equipollence equiponderance equity equivalence equivalency equivalent evenness give-and-take identity justice levelness likeness makeweight offset par parallelism parity poise proportion quid pro quo setoff something of value stasis symmetry tit for tat