General Synonyms:
* Genuineness
* Legitimacy
* Validity
* Veracity
* Truthfulness
* Reliability
* Credibility
* Trustworthiness
* Sincerity
* Integrity
More Specific Synonyms:
* For objects: Realness, originality, originality
* For people: Realness, genuineness, naturalness, sincerity, honesty
* For experiences: Realness, truth, rawness, unfiltered, unadulterated
Words with Similar Meaning but Different Connotations:
* Naturalness: implies a lack of pretense or artifice.
* Spontaneity: suggests a lack of planning or manipulation.
* Originality: emphasizes uniqueness and individuality.
* Integrity: suggests moral soundness and adherence to ethical principles.
* Honesty: focuses on truthfulness and openness.
The best synonym to use will depend on the context and the specific meaning you want to convey.