What is to preach or discourse to; to affect or influence by means of a sermon or of sermons. [R.] Which of us shall sing or sermonize the other fast asleep Landor called?

sermonize — To preach or discourse to; to affect or influence by means of a sermon or of sermons. [R.] Which of us shall sing or sermonize the other fast asleep Landor. (Webster's 1913.)

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