Meaning

1. 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.
2. To affirm; to make firm and strong.
3. To qualify or approve for some role or position; to render sanction or authorization to; to confirm suitability for.
4. To yield the opportunity or provide the possibility for something; to provide with means, opportunities, and the like.
5. To imply or tacitly confer excuse for an action or a behavior.
6. To put a circuit element into action by supplying a suitable input pulse.
7. To activate, to make operational (especially of a function of an electronic or mechanical device).