moderate
mod-er-ate
noun
A person holding political or social views that are not extreme.
"The party appealed to moderates."
verb
To make or become less extreme, intense, or violent.
"The chairman moderated the discussion."
adjective
Not extreme or excessive; within reasonable or average limits.
"They prefer a moderate climate."
Thesaurus
Synonyms: temperate, mild, medium, modest, fair, small, reasonable, cautious, average, limited, minimalist, middle-of-the-road
Antonyms: immoderate