Definitions

1. verb

to moderate or restrain something, especially a passion or emotion

“She tried to temper her anger and speak calmly to her opponent.”

2. adjective

having a moderate climate or temperature

“The temperate region of the country was known for its mild winters and warm summers.”

3. noun

a climate or region with a moderate temperature

“The scientists studied the effects of climate change on the temperate forests of North America.”