To give strength or ability to; to make firm and strong.
To make somebody able (to do, or to be, something); to give sufficient power, sanction or authorization to; to provide with abilities, means, opportunities, and the like
To make something possible or provide an opportunity for something.
To allow a way out or excuse for an action.
“His parents enabled him to go on buying drugs.”
To put a circuit element into action by supplying a suitable input pulse.
To activate, to make operational (especially of a function of a electronical or mechanical device).
Unable, not able.