A full supply; abundance; plenitude; plenty.(noun)
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Use "plentifulness" in a sentence
"But if you feel you have plenty, plentifulness grows."
"I finished with an Arabic prayer for peace and plentifulness in the world."
"Ultimately two professional playwrights, Bayard and Jaime, who had already dramatized, the one, Eugenie Grandet and the Search for the Absolute, the other, Pere Goriot, pruned the over-plentifulness of its matter and strengthened the relief of various parts; and, in the amended guise, it was performed."