From Wiktionary, the free dictionary
From perceived + -ness.
perceivedness (uncountable)
- The state or quality of being perceived.
1988, Sylvie Debevec Henning, Beckett's critical complicity: carnival, contestation, and tradition, University Press of Kentucky, page 128:O believes he is fleeing from all extraneous perception, from perceivedness or percipi in general