D defs.my
Entry 2 senses Webster, 1913

Equable

/ĕk'-wəb-əl/ · E·qua·ble · IPA /ˈɛk.wə.bəl/
01 a. Equal and uniform; continuing the same at different times; -- said of motion, and the like; uniform in surface; smooth; as, an equable plai…
  1. 1.
    Equal and uniform; continuing the same at different times; -- said of motion, and the like; uniform in surface; smooth; as, an equable plain or globe.
  2. 2.
    Uniform in action or intensity; not variable or changing; -- said of the feelings or temper.