To make somebody able (to do, or to be, something); to give sufficient ability or power to do or to be; to give strength or ability to.
To qualify or approve for some role or position; to render sanction or authorization to; to confirm suitability for.
To yield the opportunity or provide the possibility for something; to provide with means, opportunities, and the like.
To imply or tacitly confer excuse for an action or a behavior.
To activate, to make operational (especially of a function of an electronic or mechanical device).
To affirm; to make firm and strong.
To put a circuit element into action by supplying a suitable input pulse.
To keep (a physical object that one has obtained) to oneself rather than giving it back to its owner.
To stay back.
To keep (information, assent etc) to oneself rather than revealing it.