1) Apparent validity 2) Believability 3) Credibility 4) Credibleness 5) Plausibleness 1) Credence 2) Plausibleness 3) Probability 4) Tenability 5) Tenableness 
• (n.) The quality of being plausible; speciousness. • (n.) Anything plausible or specious. • (n.) Something worthy of praise.
(from the article `theatre`) ...Overture, which suggests the sounds of a battle. In this respect, the art of narrative in literature is much closer to that of the theatre. In a ...
Plau`si·bil'i·ty noun [ Confer French plausibilité .] 1. Something worthy of praise. [ Obsolete] « Integrity, fidelity, and other gracious plausibilities .» E. Vaughan. 2. The quality of being plausible; speciousness. « To give any plaus...
[n] - apparent validity
plausibility 1. A description of that which has the appearance of truth but might be deceptive. 2. That which is likely to be true or able to be believed.
Rhetoric that is believable right away due to its association with something that the audience already knows or has experienced.
plausibleness noun apparent validity