unstupid
nonstupid
undumb
nonsilly
unsilly
unidiotic
unannoying
unchildish
unfoolish
unfuzzy
nonfuzzy
uncrazed
nonfallacious
unridiculous
unfallacious
non-nonsense
unludicrous
unignorant
nonintentionalistic
unannoyable
nonignorant
unbaffled
unbullshit
sharp as a bowling ball
unchided
unlame
un-pathetic
noncrazy
uncrazy
unvague
uninsipid
unwrongful
nonvague
nonspurious
not as green as one is cabbage-looking
nonmischievous
unfooled
unspurious
unmischievous
unconfuted
unoffended
unfalsified
nonirrational
nonerroneous
unerroneous
nonintentional
ungeeky
unobnoxious
unbizarre
unguileful