equipoise

1 a condition in which opposing forces are equal to one another <when participating in any dangerous sport, one should maintain an equipoise between fearless boldness and commonsense caution> Synonyms counterpoise, equilibration, equilibrium, balance, poise, stasisRelated Words counterbalance, offset; firmness, fixedness, security, stability, steadinessNear Antonyms changeability, fluctuation, inconstancy, insecurity, instability, mutability, precariousness, shakiness, unsteadiness, volatilityAntonyms disequilibration, disequilibrium, imbalance, nonequilibrium, unbalance

2 a force or influence that makes an opposing force ineffective or less effective <her frugality is a much-needed equipoise to her husband's spendthrift ways> Synonyms balance, canceler (or canceller), corrective, counter, counteraction, counterforce, counterpoise, counterweight, counterbalance, neutralizer, offsetRelated Words trade-off; ballast, weight