To become involved or interested in (a discussion, issue, or activity).
To enter (an unfavourable state).
To interrogate in order to arrive at a deeper understanding.
To move into (an object), such that one ends up inside it.
To put on (an item of clothing).
To cause to behave uncharacteristically; to possess.
To reach into or interact with (an object).
To understand incorrectly, while believing one has understood correctly.