verisimilitude (n.) Look up verisimilitude at Dictionary.com
"appearance of truth or reality, likelihood," c. 1600, from French verisimilitude (1540s), from Latin verisimilitudo "likeness to truth," from veri, genitive of verum, neuter of verus "true" (see very) + similis "like, similar" (see similar). Related: Verisimilar.