Connaturalness is a concept that refers to the state of being inherently natural or intrinsic to something or someone. There are several synonyms that can be used to express this concept, such as innate, inherent, ingrained, and inherentness. Other related words include naturalness, spontaneity, and genuineness. These terms describe the authenticity and originality that are associated with connaturalness. The opposite of connaturalness would be artificial or contrived, which implies a lack of authenticity or a forced nature. Overall, connaturalness is a desirable quality that speaks to the genuine and authentic nature of someone or something. Its synonyms reflect this value.