English definition of “wise”
DECISION › A wise decision or action shows good judgment and is the right thing to do: I think we've made a wise choice. [+ to do sth] It's always wise to see a doctor if you're worried about your health. → Opposite unwise
PERSON › A wise person is able to use their knowledge and experience to make good decisions and give good advice.
be none the wiser informal › to still not understand something after someone has tried to explain it to you wisely adverb