He expresses the unalloyed sensibility of an artist in terms of delicious contemporary life and gives us, adventitiously, romance.
"of the nature of an addition from without," c.1600, from Medieval Latin adventitius "coming from abroad, extraneous," a corruption of Latin adventicius "foreign, strange, accidental," from advent- past participle stem of advenire "arrive" (see advent). Related: Adventitiously; adventitiousness.
adventitious ad·ven·ti·tious (ād'věn-tĭsh'əs, -vən-)
Arising from an external source or occurring in an unusual place or manner; extrinsic.
Occurring accidentally or spontaneously, not caused by heredity.