know-it-all

noun 0.867

omniscient

noun 0.637

knowledgeable

noun 0.630

do-all

noun 0.611

omniscience

noun 0.599

knowledgeability

noun 0.588

know

noun 0.575

wiseacre

noun 0.558

knowing

noun 0.557

smart aleck

noun 0.557

tell-all

noun 0.546

knowingness

noun 0.538

cognoscente

noun 0.538

wiseass

noun 0.536

jack of all trades

noun 0.536

all-in-one

noun 0.533

smart cookie

noun 0.527

whiz

noun 0.527

all

noun 0.520

wise man

noun 0.520

knowability

noun 0.515

omnipotent

noun 0.513

educated guess

noun 0.510

smart arse

noun 0.509

busybody

noun 0.509

overachiever

noun 0.509

cure-all

noun 0.508

know-how

noun 0.508

expert

noun 0.507

pedant

noun 0.504

wise guy

noun 0.502