(n.) A person of learning; one versed in literature, science or any field\; a person eminent for acquirements.

Admirable Crichton academician adept aficionado amateur artisan artist attache authority bookman buff classicist clerk colossus of knowledge connaisseur connoisseur consultant cordon bleu crack shot craftsman critic dead shot dilettante diplomat diplomatist doctor elder elder statesman experienced hand experimental scientist expert expert consultant fan freak genius giant of learning graduate great soul guru handy man humanist illuminate intellect intellectual journeyman learned clerk learned man literary man litterateur lover of learning lover of wisdom mahatma man of intellect man of learning man of letters man of science man of wisdom mandarin marksman master mastermind mentor mine of information no slouch nut oracle philologist philologue philomath philosophe philosopher politician polyhistor polymath practical scientist pro professional professor proficient pundit rabbi rishi sage sapient scholar scholastic schoolman scientist seer shark sharp specialist starets statesman student technical adviser technical expert technician technologist thinker walking encyclopedia wise man wise old man