D defs.my
Entry 1 sense Webster, 1913

Equability

· E·qua·bil·i·ty · IPA
01 n. The quality or condition of being equable; evenness or uniformity; as, equability of temperature; the equability of the mind.
  1. 1.
    The quality or condition of being equable; evenness or uniformity; as, equability of temperature; the equability of the mind.
    “For the celestial bodies, the equability and constancy of their motions argue them ordained by wisdom.” Ray.