simple past tense and past participle of temperate

(idiomatic) Used to tell someone to control their (bad) temper

Habitual moderation in regard to the indulgence of the natural appetites and passions; restrained or moderate indulgence / Moderation, and sometimes abstinence, in respect to using intoxicating liquors.

Moderate; not excessive / Moderate in the indulgence of the natural appetites or passions / Proceeding from temperance. / Living in an environment that is temperate, not extreme.

(obsolete) To render temperate; to moderate

A general tendency or orientation towards a certain type of mood, a volatile state; a habitual way of thinking, behaving or reacting. / State of mind; mood. / A tendency to become angry.

To moderate or control. / To strengthen or toughen a material, especially metal, by heat treatment; anneal.

present participle of temper

The act by which something is tempered.

In a thoughtfully measured or regulated manner, eschewing extremes.