0 in the way that someone usually does:
1 to often do something:
2 short form of will not:
3 (used after a possessive) habit or custom:
4 contraction of will not:
We won't be much longer.
Parents are wont to express strong preferences for different styles.
My noble friend has made some precise and technical points, as is his wont from time to time.
He is always a formidable debater and sometimes, as is his wont, he just made the best of some of his weaker points.