UPMARKET
upmarket
(adjective) designed for consumers with high incomes; “he turned up in well-cut clothes...and upmarket felt hats”- New Yorker
Source: WordNet® 3.1
Etymology
Adjective
upmarket (comparative more upmarket, superlative most upmarket)
Designed for customers with a high income.
Adverb
upmarket
Towards the more expensive end of the market.
Antonyms
• downmarket
Coordinate terms
• downmarket
• midmarket
Verb
upmarket (third-person singular simple present upmarkets, present participle upmarketing, simple past and past participle upmarketed)
To make or become upmarket.
Source: Wiktionary