put ideas into someone's head
Also, put an idea in someone's head. Suggest something to someone, as in No, we're not moving—what put that idea in your head? [Mid-1800s]
Words nearby put ideas into someone's head
put down roots,
put forth,
put forward,
put hair on one's chest,
put heads together,
put ideas into someone's head,
put in,
put in a good word,
put in an appearance,
put in mind of,
put in mothballs