The Collaborative International Dictionary of English v.0.48:
Realness \Re"al*ness\ (r[=e]"al*n[e^]s), n. The quality or condition of being real; reality. [1913 Webster]WordNet (r) 3.0 (2006):
realness n 1: the state of being actual or real; "the reality of his situation slowly dawned on him" [syn: reality, realness, realism] [ant: irreality, unreality]