brain genius intellectual sage egghead intellect mastermind polymath brainiac thinker brains braniac prodigy highbrow wiseacre being entity handyman scholar philosopher pundit pandit savant solon sobersides aesthete esthete humanitarian sophisticate academic academician intellectualist boffin bookman informed enlightened intelligent knowledgeable educated expert insightful judicious reasoned thoughtful levelheaded solid astute rational clever learned savvy instructed sophisticated versant apprized logical wise discerning reliable sound versed good sagacious erudite prudent valid coherent perceptive sensible