temperate - Dictionary definition and meaning for word temperate
Temper+ate= which means he dosen't have a temper , that is he is self-controlled and is not extreme in behavior.
The temperate zone bw the hot tropics and cold polar has moderate climate.
Think of the word TEMPERATURE. If temperatue is mild at some place, that place might be called a temperate zone
Temperate and Tolerant are rhyming words and they both mean, someone or something that is moderate or self-restrained.