1. To make wise

2. To become wise
He should wisen up to the realities of life.
by BirdOfPrey October 09, 2006
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same as wising, but used by Alexs around the world to create an air of intelligence while in reality only creating confusion.
Creating a new version after the first is done is really easy, so I guess they're wisening up and lowering budgets.
by Alex June 19, 2006
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