-be[feel]gratefulfor;bearadebtofgratitudeforpastkindness;bedeeplygratefulforsb.'skindness;bethankfulforsb.'sgoodness;feeladebtofgratitudeforsomekindact;Ishallneverforgetyourkindness.;One'sheartisfilledwithgratitude.;withone'sheartoverflowingwithgratitude;Yourkindnesswasengravedonmyheart.