Emily Dickinson Lexicon

STA-BIL'I-TY, n. [L. stabilitas, from stabilis. See Stab.]

1. Steadiness; stableness; firmness; strength to stand without being moved or overthrown; as, the stability of a throne; the stability of a constitution of government.
2. Steadiness or firmness of character; firmness of resolution or purpose; the qualities opposite to fickleness, irresolution, or inconstancy. We say, a man of little stability, or of unusual stability.
3. Fixedness; as opposed to fluidity. [I believe not now used.] Since fluidness and stability are contrary qualities. – Boyle.