sufficiency -- (sufficient resources to provide comfort and meet obligations; "her father questioned the young suitor's sufficiency")
enough, sufficiency -- (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")
sufficiency, adequacy -- (the quality of being sufficient for the end in view; "he questioned the sufficiency of human intelligence")