An ample amount or quantity; an abundance: a region blessed with a plenitude of natural resources.
The condition of being full, ample, or complete.
[Middle English, from Old French, from Latin plēnitūdō, from plēnus, full; see pelə-1 in Indo-European roots.] plen'i·tu'di·nous (-tōōd'n-əs, -tyōōd'-) adj.