Wander v. i. : To ramble here and there without any certain course or with no definite object in view; to range about; to stroll; to rove; as, to wander over the fields.

Wander v. i. : To go away; to depart; to stray off; to deviate; to go astray; as, a writer wanders from his subject.

Wander v. i. : To be delirious; not to be under the guidance of reason; to rave; as, the mind wanders.

Wander v. t. : To travel over without a certain course; to traverse; to stroll through.

Example:
How far do cats Wander off from home?

Taxonomy
intr, meander, wandering, Synonyms, Dictionary, ramble, gallivant, stray, variations, Houghton Mifflin Company, dered, ders, Thesaurus, drift, Antonyms, Translations, rove, Literature & Language.

Defination from the web:
wander v. , -dered , -dering , -ders . v.intr. To move about without a definite destination or purpose ... In telecommunication, wander are long-term random variations of the significant instants of a digital signal from their ideal positions. ...