To become involved in or start doing something. She decided to get into painting after taking a few art classes.
To enter a place, vehicle, or situation. He managed to get into the concert despite not having a ticket.
To be accepted or admitted to a school, organization, or group. She was thrilled to get into her first-choice university.
To develop a habit or routine. It took him a while to get into the habit of exercising every morning.
To start feeling a particular emotion or mood. He really got into the spirit of the party and danced all night.