constancy Synonyms

stability steadfastness steadiness resolution firmness fixedness permanence stabiliment stableness staccato perpetuity staidness stanchness stasis staunchness sturdiness substantiality solidness solidity settledness perseverance persistence persistency pertinacity pertinacy phagedenic punctuality regularity reliability resoluteness resolve sameliness secureness sedulity survival survivance sustainment assiduousness Constance perennation lastingness enduringness perceptual constancy metastable continuousness dependability invariableness predictability redetermination reproducibility