1. balance
1. With remarkable equipoise, the cat balanced effortlessly on the narrow top of the fence.
2. mental equilibrium
2. A leader must have an equipoise that allows him to appear calm in any situation.
aequus (equal)#pensare (to weigh carefully, weigh out, counter-balance) (Latin)
Equipoise - Break it as EQUAL +POSITION, i.e. a "state of balance" equi + pose => If you hold an equal weight in both hands you will have a better pose.