decorativeness; decorative quality
Abstract noun referring to the degree or quality of being decorative, often used in design, art, or architectural contexts.
This furniture emphasizes decorativeness over practicality.
We discuss the decorative quality of the architecture.
実用性 means practicality or utility, often contrasted with 装飾性 in design discussions.
Compound of 装飾 (decoration) + 性 (-ness, quality). The derivation is transparent from its components.