Plumply

Quite plumply, forgot the appointment.

Source: wiktionary

He was plumply pleased by salutes on the street from unknown small boys; his ears were tickled to ruddy ecstasy by hearing himself called "Colonel;" and if he did not attend Sunday School merely to be thus exalted, certainly he thought about it all the way there.

Source: wiktionary

Now Billy […] had some of the weaknesses inseparable from essential good-nature; and among these was a reluctance, almost an incapacity of plumply saying no to an abrupt proposition not obviously absurd, on the face of it, nor obviously unfriendly, nor iniquitous.

Source: wiktionary

She lifted her night-dress over her head and for a moment caught a glimpse of her nakedness in the tarnished looking-glass—plumply rounded thighs and knees, the dimple in her stomach.

Source: wiktionary