faithfulness
noun
- act of remaining true to one's life partner
Wiktionary
noun
Etymology: From Middle English feithfulnesse, equivalent to faithful + -ness.
- The state of being faithful.
“Traditional Chinese philosophy teaches us that in dealing with friends, we should be loyal and faithful. In all of our relations with friendly nations, we have been strictly adhering to these principles of loyalty and faithfulness. Of course, we expect friends to do the same to us.”
- The state of being faithful.
“faithfulness to the original”