important synonyms

great major big material serious significant chief considerable primary essential relevant substantial marked critical vital principal crucial extensive valuable grave urgent pressing influential determining decisive meaningful conspicuous foremost paramount imperative salient momentous consequential ponderous portentous exigent earthshaking

leading powerful famous noted grand remarkable signal outstanding extraordinary distinguished prominent superior distinctive noble notable imposing talented aristocratic noteworthy illustrious esteemed high-level first-class high-ranking well-known prestigious honored