Pleasingly persuasive or intended to persuade.(adjective)
Calculated to please or gain favor; same as ingratiating, 2.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "ingratiatory" in a sentence
"Lord Decimus, though one of the greatest of the earth, was not remarkable for ingratiatory manners, and Ferdinand had coached him up to the point of noticing all the fellows he might find there, and saying he was glad to see them."
"Cowperwood, disappointed by the outcome of his various ingratiatory efforts, decided to fall back on his old reliable method of bribery."
"“Something new, I should think, to you, sir, in a sailing match on fresh water?” he said, in his most ingratiatory manner."