aboundingly

In an abounding manner; in a manner that abounds.

Hereby you may perceive, although my future Wife were as unsatiable and gluttonous in her Voluptuousness, and the Delights of Venery, as ever was the Empress Messalina, or yet the Marchioness in England; and I desire thee to give Credit to it, that I lack not for what is requisite to overlay the Stomach of her Lust, but have wherewith aboundingly to please her.

How it was that they [the crew] so aboundingly responded to the old man’s ire—by what evil magic their souls were possessed, that at times his hate seemed almost theirs […] all this to explain, would be to dive deeper than Ishmael can go.

To an abounding degree.

1859, John Ruskin, letter to Charles Eliot Norton dated 10 December, 1859, in Letters of John Ruskin and Charles Eliot Norton, Boston: Houghton Mifflin, 1904, Volume 1, p. 91, I have your kind letter with Lowell’s—both quite aboundingly helpful to me.

1908, Henry James, letter to Edith Wharton dated 13 October, 1908, in Percy Lubbock (ed.), The Letters of Henry James, London: Macmillan, 1920, Volume 2, p. 108, Believe meanwhile and always in the aboundingly tender friendship […] of yours more than ever, Henry James.