This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Superior to or notable above all others; outstanding. See Synonyms at dominant, noted.

"Toronto's exchange and its venture affiliate, the TSX Venture Exchange, are known as the preeminent places to raise capital for exploration, hosting about 1,900 energy and mining firms that raised about $29 billion in equity last year."

superior   

superior    chief    controlling   

london-based    unenviable    medical    world-renowned    big-shot