a.
1.
Pre-eminent, surpassing, supereminent, unequalled, unparalleled, peerless, unrivalled, inimitable, very superior, consummate, unsurpassed, supreme in excellence.
2.
Transcendental, above or dominating the ( Aristotelian ) categories.
3.
Transcending the scope of knowledge, supersensible, metempirical, noumenal, transcending the limits of possible experience, beyond the range of reason or of the ~al ( or a priori ) principles of knowledge.