(intransitive) to shelter; to hole up

(intransitive, often with of) To notice; to take note.

To make a record of what one hears or observes for future reference.

(idiomatic) To scrutinize or size up something; to assess a situation.

To initiate a course of action, often against something that one disapproves of.

(idiomatic, transitive) To ignore.

To pay attention; to take notice; to note.

To avenge; to get back at.

Alternative form of takeoff

(idiomatic) To attack instead of defending; to be bold and proactive.