Luxuriance (noun)

1. The state of being luxuriant; abundance and richness.
2. The quality of being rich and plush; opulence.

Origin:

From the latin word "luxuria" meaning "excess, luxury".

Examples:

1. The garden was in full bloom, its luxuriance a feast for the eyes.
2. The palace was a testament to the builder's love of luxuriance, with ornate furnishings and rich fabrics.
3. The forest was lush and verdant, a luxuriance of greenery.
4. The luxuriance of the waterfall was breathtaking, with water tumbling over rocks and cascading into a pool below.
5. The dress was made of luxurious fabrics, a perfect expression of the designer's love for luxuriance.