This is cited as law by R. Abraham Gombiner in Magen Avraham O.C. 167:1 אם שמע דין ונראה לו שהלכה כך מותר לאמרו בשם אדם גדול כי היכי דליקבלי מיניה If one hears a law and it seems to him that the law is as such it is permissible to say it in the name of a great person in order that they accept it from him.

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