Lush and Upscale

Lush adjective - Covered with a thick healthy natural growth.

Upscale and lush are semantically related In some cases you can use "Upscale" instead an adjective "Lush".

Upscale adjective - Appealing to affluent consumers.

Lush and upscale are semantically related in luxurious topic. Sometimes you can use "Lush" instead an adjective "Upscale", if it concerns topics such as affluent.