Inveigle
/ɪnˈveɪɡl/
Definition 1 of 2
Pro Tip 1/3Hidden Agenda
The word often suggests someone has a secret plan or motive. 
She seemed to inveigle him into the scheme with whispered promises.
Pro Tip 2/3Negative Connotation
Using 'inveigle' implies disapproval of the deceit involved. 
They felt uneasy, suspecting he'd inveigled his way into the club.
Pro Tip 3/3Subtle Persuasion
Emphasizes the sneaky or charming strategies used. 
He could inveigle anyone with his persuasive smile.