aˈpprovableness [f.prec. + -ness.] Approvable quality; worthiness of approval. c1812T. Brown Philos. Hum. Mind lxxiii. (1838) 488/2 This irresistible approvableness..constitutes to us..the virtue of the action.1833Wardlaw Chr. Ethics iii. (1844) 95 The ground of its approvableness.