You're so right is an expression of agreement and affirmation. The crossword solutions for this term are AMEN (4 letters), INDEED (6 letters) and IKNOW (5 letters). AMEN is a Hebrew word meaning 'so be it' or 'TRULY', often used to express agreement or acceptance. INDEED is an adverb meaning 'in fact' or 'REALLY'. IKNOW is a phrase used to express agreement or understanding. All three of these words can be used to express agreement with the statement 'YOU're so right'.