Occasions adjectives are listed in this post. Each word below can often be found in front of the noun occasions in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing OCCASIONS.
actual, appropriate, auspicious, big, brief, celebratory, ceremonial, ceremonious, certain, chief, civic, civil, common, consecutive, convivial, countless, critical, daily, dangerous, different, difficult, distinct, diverse, earlier, emergent, especial, exceptional
exciting, external, extra, extraordinary, extreme, favorable, favourable, festal, festive, few, fewer, first, fit, fitting, following, formal, former, frequent, fresh, frivolous, funeral, further, future, gala, general, good, grand
grave, great, greater, greatest, happy, high, historical, immediate, important, informal, infrequent, innumerable, interesting, joyful, joyous, just, last, late, later, latter, lawful, lesser, light, like, limited, little, major
many, melancholy, memorable, mere, momentous, more, most, mournful, multiple, national, necessary, new, notable, numerous, odd, official, only, ordinary, other, outward, own, particular, past, patriotic, peculiar, pleasant, political
possible, present, previous, principal, prior, private, proper, proximate, public, rare, rarer, rarest, recent, regular, religious, remarkable, right, sacramental, sacred, sad, same, secular, separate, serious, several, signal, significant
similar, slight, slightest, small, social, solemn, special, specific, state, subsequent, successive, such, sudden, suitable, sundry, supreme, trifling, trivial, unusual, urgent, usual, various, very, weighty
Hope this word list had the adjective used with occasions you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.