divagate[verb]Synonyms: digress, depart, diverge, excurse, ramble, stray, wander
 [TahlilGaran] English Synonym Dictionary ▲
 divagate verb intrans. ['dʌɪvǝgeɪt] literary. 
L16.[Latin divagat- pa. ppl stem of divagari wander about, formed as DI-1 + vagari wander: see -ATE3.]Wander about; stray from one place or subject to another; digress.
 ■   diva'gation noun the action of divagating; (a) deviation, (a) digression: 
M16.  [TahlilGaran] English Dictionary ▲