1. A state of balance; equilibrium.
…At a social occasion earlier this year, someone asked Michelle Obama how it was possible for her husband to maintain his equipoise amid so much hatred. “You have no idea how bad it is,” she said. His practiced calm is beyond reckoning.
From the post: After Trump’s victory, Obama reflects on his legacy
Source: Obama Reckons with a Trump Presidency (newyorker.com)