Modifying a mass noun. A great amount or quantity of, a lot of. Of a physical object: a great quantity or volume of, existing or present in great…
Of a person: holding a prominent place in the community; of rank or standing; high-born, noble. Cf. worthyman, n. Obsolete.
Of a person: having a powerful or influential role in some community; having high rank or status, or great authority. Cf. importance, n. 1b.