constancy
definition: the quality of being enduring and free from change or variation
example: early mariners relied on the constancy of the trade winds
speech part: noun
synonyms:
stability
definition: faithfulness and dependability in personal attachments (especially sexual fidelity)
example:
speech part: noun
synonyms:
definition: (psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
example:
speech part: noun
synonyms:
perceptual constancy