Merriam-Webster Collegiate Dictionary - enlarge

 verb  (~d; enlarging)  Etymology: Middle English, from Anglo-French ~r, enlargir, from en- + large broad, large  Date: 14th century  transitive verb  1. to make larger ; extend ~d the family fortune with new investments  2. to give greater scope to ; expand education may ~ one's view of the world  3. to set free (as a captive)  intransitive verb  1. to grow larger  2. to speak or write at length ; elaborate let me ~ upon that point  Synonyms: see increase  • ~able adjective  • ~r noun