Synonyms and related words :
aplomb, balance, balanced personality, ceaselessness, complex variable, consecutiveness, constancy, constant flow, continualness, continuity, continuousness, cool, endlessness, equilibrium, fastness, featurelessness, firmness, fullness, gaplessness, homeostasis, imperturbability, incessancy, invariability, jointlessness, manipulated variable, monotony, nerve, plenitude, process variable, reliability, rootedness, sang-froid, seamlessness, secureness, security, simple variable, smoothness, solidity, soundness, stability, stable equilibrium, stable state, steadfastness, steadiness, steady nerves, substantiality, successiveness, transient state, unbrokenness, undeflectability, undifferentiation, uniformity, unintermittedness, uninterruptedness, uninterruption, unrelievedness, unshakable nerves, unshakableness, variable