Meaning of SUFFICIENCY in English
noun adequate substance or means; competence.
2. sufficiency ·noun conceit; self-confidence; self-sufficiency.
3. sufficiency ·noun supply equal to wants; ample stock or fund.
4. sufficiency ·noun qualification for any purpose; ability; capacity.
5. sufficiency ·noun the quality or state of being sufficient, or adequate to the end proposed; adequacy.
Webster English vocab. Английский словарь Webster. 2012