wiser Definition

wise¹
adj wiser, wisest

1. Having or showing wisdom; prudent; sensible.

Thesaurus: prudent, sensible, smart, reasonable, rational, careful, tactful, discreet, politic, wary.
2. Learned or knowledgeable.

Thesaurus: sage, erudite, learned, educated, scholarly.
3. Astute, shrewd or sagacious.
4. Knowing the ways of something.

Example: streetwise
Example: worldly-wise

Derivative: wisely
adverb

Idiom: be wise to something

colloq
To be aware of or informed about it.

Idiom: none the wiser

Knowing no more than before.

Idiom: put someone wise

colloq
To give them necessary information.

Etymology: Anglo-Saxon wis.

Phrasal Verb: wise up to someone or something

To find out the facts about them or it.