Synonyms and related words :
Vernunft, bean, brain, brains, brow, cap, capsheaf, caput, chapeau, conception, conk, coverchief, crest, crown, discourse of reason, discursive reason, dome, esprit, gray matter, handkerchief, hat, head, headcloth, headdress, headgear, heading, headtire, headwear, intellect, intellection, intellectual faculty, intelligence, kerchief, lid, mens, mental capacity, mentality, millinery, mind, noddle, noggin, noodle, nous, pate, pinhead, poll, power of reason, psyche, ratio, rationality, reason, reasoning, reasoning faculty, ridge, sconce, smarts, topknot, understanding