Assertions adjectives are listed in this post. Each word below can often be found in front of the noun assertions in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing ASSERTIONS.
above, absolute, arbitrary, bald, bare, bold, broad, certain, confident, conflicting, contradictory, contrary, definite
different, direct, distinct, dogmatic, earlier, emphatic, erroneous, explicit, extraordinary, extravagant, factual, false, first
following, former, frequent, fundamental, general, groundless, historical, loose, main, many, mere, negative, new
numerous, other, own, particular, political, positive, previous, public, random, rash, reckless, repeated, same
scientific, several, similar, simple, solemn, specific, startling, strange, strong, strongest, such, sweeping, theological
unfounded, unproved, unqualified, unsupported, vague, various, vehement, wild
Hope this word list had the adjective used with assertions you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.