comˈpatibleness [f.prec. + -ness.] = compatibility 1. 1610Donne Pseudo-Martyr 266 Had the Bishops of Rome maintained that..Compatiblenesse with Princes, which gaue them Authority at first.1641in Smectymnuus Vind.Answ. §14. 173 There is a compatiblenesse in this case of Gods act and the kings.