The term 'put one over on' is an idiom meaning to deceive or trick someone. The crossword solutions for this term include 'HOAX' (4 letters), 'snowed' (6 letters), 'COZEN' (5 letters), 'pranked' (7 letters), 'BILK' (4 letters), 'DELUDE' (6 letters), 'DELUDED' (7 letters), 'DUPE' (4 letters), 'DUPED' (5 letters), 'SNOW' (4 letters), 'OUTWIT' (6 letters), 'had' (3 letters), 'SCAM' (4 letters), 'CON' (3 letters), 'COZENED' (7 letters), 'FOOL' (4 letters), 'FOOLED' (6 letters), 'hoaxed' (6 letters), 'liedto' (6 letters), and 'SNOOKER' (7 letters). All of these words are related to the concept of deceiving or tricking someone, and can be used as synonyms for the phrase 'put one over on'.