man of the world
sophisticate
fount of all wisdom
font of all wisdom
unsophisticated
unworldly
wise as an owl
ultrawise
gyani
wise man
hakham
wise
laanie
philosopher
Besserwisser
wisely
sagely
worldly-wise
wiseling
worldwise
sentient
sapient
wiseacre
brain
sage
woman of the world
enlightened
wise gal
left-brainer
solonic
Einstein
wiseacreishness
intelligent person
loremaster
wise off
sagacious
right-thinking
scholar and gentleman
perspicacious
chochem
oracular
prudent
oracle
know how many beans make five
Solomon
philosopher king
wisehood
superbrain
nattily
bel esprit