Equipoise

Part of speech: noun (n.)

1. 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. The means of preserving the equipoise and the tranquillity of the commonwealth. Burke. Our little lives are kept in equipoise By opposite attractions and desires. Longfellow.

2. Counterpoise. The equipoise to the clergy being removed. Buckle.