plausibility

noun plausibility

• apriorism — the philosophical doctrine that there may be genuine knowledge independent of experience
• believability — to have confidence in the truth, the existence, or the reliability of something, although without absolute proof that one is right in doing so: Only if one believes in something can one act purposefully.
• conceivability — capable of being conceived; imaginable.
• credibility — If someone or something has credibility, people believe in them and trust them.
• creditability — bringing or deserving credit, honor, reputation, or esteem.