divagation

di·va·gate  (dv-gt, dv-)

intr.v. di·va·gat·ed, di·va·gat·ing, di·va·gates

1. To wander or drift about.

2. To ramble; digress.

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[Late Latin dvagr, dvagt- : Latin d-, dis-, apart; see dis- + Latin vagr, to wander (from vagus, wandering).]

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diva·gation n.

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divagation

the act of digressing; wandering off the subject.

See also: Thinking

Thesaurus

Noun	1.	divagation - a message that departs from the main subject digression, excursus, parenthesis, aside subject matter, content, message, substance - what a communication that is about something is about
	2.	divagation - a turning aside (of your course or attention or concern); "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal" digression, diversion, deflexion, deviation, deflection turning, turn - the act of changing or reversing the direction of the course; "he took a turn to the right" red herring - any diversion intended to distract attention from the main issue