The GENERAL CONTEXT of such use is:
(a) the quality, character, or fact of being positive in various senses; positiveness
(b) a positive or real thing as opposed to a mere negation; an actuality.
1681 Relig. Clerici 36 "That Immaterial, Infinite and the like, were negatives indeed in words... but properly and in themselves they were absolute positivities."
Father Jerome's DICTIONARY of KEYWORDS/PHRASES used in his scientific writings and at his QUFD website
Father Jerome's PSYCHOSOCIOLOGICAL DICTIONARY of Terms/Phrases used in Monograph III of his QUALIA Series
Father Jerome's SPECIALIZED DICTIONARY of KEYWORDS/PHRASES pertaining to Bose-Einstein Condensates of Non-Matter and Incorporeality, as used in his Works, in QUFD Physics and in the 'QUFD Textbook' Website
Also see Father Jerome's BLOG, for info about his latest Book,
"God, Lucifer and You! A ScienceBook of Quantum Physics and Reality, for 5 year old Kids and Adults!"