Both Uses of
enable
in
The Adventures of Tom Sawyer
- As Tom wended to school after breakfast, he was the envy of every boy he met because the gap in his upper row of teeth enabled him to expectorate in a new and admirable way.†
Chpt 6 *enabled = made possible
 
- Tom's excitement enabled him to keep awake until a pretty late hour, and he had good hopes of hearing Huck's "maow," and of having his treasure to astonish Becky and the picnickers with, next day; but he was disappointed.†
Chpt 29
 
Definition:
to make possible 
 in various senses, including: 
 - to give someone the ability, knowledge, or authority to do something -- as in "The study will enable an informed discussion."
 - to activate a computer system for use -- as in "You can enable the feature in the Settings Page."
 - to permit someone to repeat bad behavior, so they reinforce the bad pattern -- as in "I don't want to enable her drug addiction."