DIGRESSING
Scrabble letter values: D2I1G2R1E1S1S1I1N1G2 = 13
Definition
DIGRESSING is the present participle of DIGRESS.
verb DIGRESS: lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking.
Synonyms of DIGRESS: stray, divagate, wander