1.  sufficiency(n = noun.state) - sufficient resources to provide comfort and meet obligations; "her father questioned the young suitor's sufficiency"
is a kind of wealth, wealthiness
Derived form verb suffice₁

2.  sufficiency(n = noun.quantity) enough - an adequate quantity; a quantity that is large enough to achieve a purpose; "enough is as good as a feast"; "there is more than a sufficiency of lawyers in this country"
is a kind of relative quantity
has particulars: fill
Derived forms verb suffice₁, adjective sufficient₁

3.  sufficiency(n = noun.attribute) adequacy - the quality of being sufficient for the end in view; "he questioned the sufficiency of human intelligence"
is a kind of quality
has particulars: ampleness
Antonym: insufficiency
Derived forms verb suffice₁, adjective sufficient₁

1.  The quality or state of being sufficient, or adequate to the end proposed; adequacy. [1913 Webster]
"His sufficiency is such that he bestows and possesses, his plenty being unexhausted." [1913 Webster]

2.  Qualification for any purpose; ability; capacity. [1913 Webster]
"A substitute or most allowed sufficiency." [1913 Webster]
"I am not so confident of my own sufficiency as not willingly to admit the counsel of others." [1913 Webster]

3.  Adequate substance or means; competence. Thomson. [1913 Webster]

4.  Supply equal to wants; ample stock or fund. [1913 Webster]

5.  Conceit; self-confidence; self-sufficiency. [1913 Webster]
"Sufficiency is a compound of vanity and ignorance." [1913 Webster]

sufficiency, n. (pl. -ies)
1 (often foll. by of) an adequate amount or adequate resources.
2 archaic being sufficient; ability; efficiency.

Etymology:
LL sufficientia (as SUFFICIENT)

N  sufficiency, adequacy, enough, withal, satisfaction, competence, no less, quantum sufficit, Q, S, mediocrity, fill, fullness, plenitude, plenty, abundance, copiousness, amplitude, galore, lots, profusion, full measure, good measure pressed down and running, over, luxuriance, affluence, fat of the land, a land flowing with milk and honey, cornucopia, horn of plenty, horn of Amalthaea, mine, outpouring, flood, tide, repletion, satiety, sufficient, enough, adequate, up to the mark, commensurate, competent, satisfactory, valid, tangible, measured, moderate, full, ample, plenty, plentiful, plenteous, plenty as blackberries, copious, abundant, abounding, replete, enough and to spare, flush, choke-full, chock-full, well-stocked, well- provided, liberal, unstinted, unstinting, stintless, without stint, unsparing, unmeasured, lavish, wholesale, rich, luxuriant, affluent, wantless, big with, unexhausted, unwasted, exhaustless, inexhaustible, sufficiently, amply Adj, full, in abundance, with no sparing hand, to one's heart's content, ad libitum, without stint, cut and come again, das Beste ist gut genug.

N  completeness, completion, integration, allness, entirety, perfection, solidity, solidarity, unity, all, ne plus ultra, ideal, limit, complement, supplement, make-weight, filling, up, impletion, saturation, saturity, high water, high tide, flood tide, spring tide, fill, load, bumper, bellyful, brimmer, sufficiency, complete, entire, whole, perfect, full, good, absolute, thorough, plenary, solid, undivided, with all its parts, all- sided, exhaustive, radical, sweeping, thorough-going, dead, regular, consummate, unmitigated, sheer, unqualified, unconditional, free, abundant, brimming, brimful, topful, topfull, chock full, choke full, as full as an egg is of meat, as full as a vetch, saturated, crammed, replete, fraught, laden, full-laden, full-fraught, full-charged, heavy laden, completing, supplemental, supplementary, ascititious, completely, altogether, outright, wholly, totally, in toto, quite, all out, over head and ears, effectually, for good and all, nicely, fully, through thick and thin, head and shoulders, neck and heel, neck and crop, in all respects, in every respect, at all points, out and out, to all intents and purposes, toto coelo, utterly, clean, clean as a whistle, to the full, to the utmost, to the backbone, hollow, stark, heart and soul, root and branch, down to the ground, to the top of one's bent, as far as possible, a outrance, throughout, from first to last, from beginning to end, from end to end, from one end to the other, from Dan to Beersheba, from head to foot, from top to toe, from top to bottom, de fond en comble, a fond, a capite ad calcem, ab ovo usque ad mala, fore and aft, every, whit, every inch, cap-a-pie, to the end of the chapter, up to the brim, up to the ears, up to the eyes, as a as can be, on all accounts, sous tous les rapports, with a vengeance, with a witness, falsus in uno falsus in omnibus, false in one thing, false in everything, omnem movere lapidem, una scopa nuova spazza bene.