Wander

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.

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

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

To travel over without a certain course; to traverse; to stroll through.