Webster’s Revised Unabridged Dictionary · 1913
Picturesque
Pic′tur·esque′ (·ĕsk′), a. [It. pittoresco: cf. F. pittoresque. See Pictorial.] Forming, or fitted to form, a good or pleasing picture; representing with the clearness or ideal beauty appropriate to a picture; expressing that peculiar kind of beauty which is agreeable in a picture, natural or artificial; graphic; vivid; as, a picturesque scene or attitude; picturesque language.
What is picturesque as placed in relation to the beautiful and the sublime? It is . . . the characteristic pushed into a sensible excess. De Quincey.
— Pic′tur·esque′ly, adv. — Pic′tur·esque′ness, n.