149. Changeableness -- N. changeableness &c adj.; mutability, inconstancy; versatility, mobility; instability, unstable equilibrium; vacillation &c (irresolution) 605; fluctuation, vicissitude; alternation &c (oscillation) 314.
150. Stability -- N. stability; immutability &c adj.; unchangeability, &c adj.; unchangeableness ; constancy; stable equilibrium, immobility, soundness, vitality, stabiliment , stiffness, ankylosis , solidity, aplomb.
151. Eventuality -- N. eventuality, event, occurrence, incident, affair, matter, thing, episode, happening, proceeding, contingency, juncture, experience, fact; matter of fact; naked fact, bare facts, just the facts; phenomenon; advent.