Word family members (noun) custom customer customs (adjective) customary custom customizable accustomed (verb) accustom customize (adverb) customarily From Longman Dictionary of Up to date EnglishRelated subject areas: Tradecustomcus?tom1 /?k?st?m/ ??? W3 noun    one [countable, uncountable]Custom a thing that is done by men and women in a select