verisimilitude

US /ˌver.ə.səˈmɪl.ə.tuːd/
UK /ˌver.ə.səˈmɪl.ə.tuːd/
1.

真実味

the quality of seeming true or of having the appearance of being real:

:
•
She has included photographs in the book to lend verisimilitude to the story.