Pleasingly plump, according to Merriam-Webster, 6 letters
Alluringly plump, 6 letters
Buxom, 6 letters
Full-bodied, 6 letters
Full-bodied, as a woman, 6 letters
Full-figured, 6 letters
Hardly scrawny, 6 letters
Having love handles, and more!, 6 letters
Like a well-rounded person?, 6 letters
Pleasantly plump, 6 letters
Plump and shapely, 6 letters
Rubenesque, 6 letters
Voluptuous, 6 letters
Well-proportioned, 6 letters