ACCOUNT n. 4 definitions
A statement in general of reasons, causes, grounds, etc., explanatory of some event; as, no satisfactory account has been given of these phenomena. Hence, the word is often used simply for reason, ground, consideration, motive, etc.; as, on no account, on every account, on all accounts.
ADJECTIVE n.
A word used with a noun, or substantive, to express a quality of the thing named, or something attributed to it, or to limit or define it, or to specify or describe a thing, as distinct from something else. Thus, in phrase, "a wise ruler," wise is the adjective, expressing a property of ruler.