imposeupon   
manadidery
to impose upon a person, to make a person appear foolish, to turn a person's head [1.2]
manampa-tsaina
to act cunningly, to impose upon, to take advantage of. Fahendrena, hery, fahaizana, are also used with this verb to express a good meaning, e.g. to show one's wisdom, strength or cleverness. The words are also used by others in reproaching those who have so acted. [1.2]