convert

Concise Oxford English Dictionary © 2008 Oxford University Press:
convert

▶verb /kənˈvəːt/ 

• 1 change or cause to change in form, character, or function.

  ■ change (money, stocks, or units in which a quantity is expressed) into others of a different kind.

  ■ adapt (a building) to make it suitable for a new purpose.

• 2 change one's religious faith or other belief.

• 3 Logic transpose the subject and predicate of (a proposition) according to certain rules to form a new proposition by inference.

• 4 Rugby score extra points after (a try) by a successful kick at goal.

  ■ American Football make an extra score after (a touchdown) by kicking a goal or running another play into the end zone.

  ■ American Football advance the ball far enough after (a down) to get another try for a first down.

▶noun /ˈkɒnvəːt/ a person who has changed their religious faith or other belief.

– phrases
convert something to one's own use Law wrongfully make use of another's property.

– origin ME: from OFr. convertir, based on L. convertere ‘turn about’.