[f. prec. + -NESS.] The quality of being believable; credibility.
a. 1679. T. Goodwin, Wks., IV. I. 88. The credibility and believableness, as I call it, of those promises. Ibid., Wks. 1864, VIII. 116. Gives a subsistence to the object of faith that doth put into it
a being of believableness.