Use the adjective "wise" to describe a person who has gained knowledge about the world through experience. The word "wise" is different from the word "smart," however, the two words might be used similarly.
He was wise not to do that. (He was smart not to do that.)
A wise old man gave me some very good advice.
Valentina was wise to invest her money in that company 20 years ago. Now she’s rich.
You should try to make wise choices when buying food.
Eating asparagus instead of greasy french fries is a wise choice.
He’s not too wise.
That’s not a very wise thing to do.
That’s not very wise.
If you were wise, you’d stay in college and not drop out.
This word may be used with sarcasm. (The intended meaning by the speaker is the opposite of "wise.")
Oh, that was wise.
Wise move.
Okay, wise guy. What’s your idea if you don’t like mine?
The word "wise" is often found in colloquial speech:
Stop being such a wise guy. (Stop being a jerk or stop making critical comments.)
The students were making wise cracks behind the teacher’s back. (wise crack = joke)
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