Boring: trick, fool, deceive (somebody into doing something)
He fooled his professor into thinking that he knew the subject well.
He tricked us into signing the contract.
Use: bamboozle or hoodwink
He bamboozled his professor into thinking that he knew the subject well.
He hoodwinked us into signing the contract.
bamboozle and hoodwink in a song:
Note that bamboozle can also mean to confuse, as in: The driver was completely bamboozled by the road-signs.. For Ngram of bamboozle and hoodwink cick here.