- amiable, good-humored, good-humoured - disposed to please; "an amiable villain with a cocky sidelong grin"- Hal Hinson
Antonym: ill-natured (indirect, via good-natured)
- affable, amiable, cordial, genial - diffusing warmth and friendliness; "an affable smile"; "an amiable gathering"; "cordial relations"; "a cordial greeting"; "a genial host"
Antonym: unfriendly (indirect, via friendly)