To Know. v.n.
- To have clear and certain perception; not to be doubtful.
I know of a surety that the Lord hath sent his angel, and delivered me out of the hand of Herod. Acts xii. 11.
- Not to be ignorant.
When they know within themselves they speak of that they do not well know, they would nevertheless seem to others to know of that which they may not well speak. Bacon's Essays, № 27.
Not to know of things remote, but know
That which before us lies in daily life,
Is the prime wisdom. Milton.
In the other world there is no consideration that will sting our consciences more cruelly than this, that we did wickedly, when we knew to have done better; and chose to make ourselves miserable, when we understood the way to have been happy. Tillotson's Sermons.
They might understand those excellencies which they blindly valued, so as not to be farther imposed upon by bad pieces, and to know when nature was well imitated by the most able masters. Dryden's Dufresony.
- To be informed.
The prince and Mr. Poins will put on two of our jerkins and aprons, and sir John must not know of it. Shakespeare's Henry IV.
There is but one mineral body, that we know of, heavier than common quicksilver. Boyle.
- To Know for. To have knowledge of. A colloquial expression.
He said the water itself was a good healthy water; but for the party that own'd it, he might have more diseases than he knew for. Shakesp. Henry IV.
- To Know of. In Shakespeare, is to take cognisance of; to examine.
Fair Hermia, question your desires;
Know of your youth, examine well your blood,
Whether, if you yield not to your father's choice,
You can endure the livery of a nun.
For ay to be in shady cloister mew'd. Shakespeare.