equipoise

Altogether the impression is of a being of mental and moral equipoise, full of energy and noble dignity.

Our Constitution stands on a nice equipoise, with steep precipices and deep waters upon all sides of it.

The words were not without emotion, and retained their level tone as if by a careful equipoise between imminent extremes.

On the equipoise of that lady's temper depends to a not inconsiderable extent the comfort of the house.

He returned home about midsummer very much improved, but not yet completely restored to a natural mental equipoise.