A person who deceives or tricks others; a cheater or swindler.
From cozen plus the -er suffix, which creates agent nouns (one who does the action). Refers to someone who practices cozenage.
Every con artist, scammer, and deceiver throughout history deserves this word—it's much more dignified-sounding than 'liar,' which is perhaps why Shakespeare loved it.
Complete word intelligence in one call. Free tier — 50 lookups/day.