use

To put into service or employ for a purpose.

To avail oneself of; practice.

To conduct oneself toward; treat or handle.

To seek or achieve an end by means of; exploit.

To take or consume for a purpose.

To partake of, especially as a habit.

Used in the past tense followed by to in order to indicate a former state, habitual practice, or custom.

To take an illegal or narcotic drug, especially as a habit.