thingy /ˈθɪŋɪ/, a.
Etymology: -y1.
a. Having the nature or character of a thing; real, actual, objective, substantial; in quot. 1894, ? consisting of separate, independent, or unconnected things. b. Devoting oneself to or concerned with actual things, practical, matter-of-fact.
So thinginess /ˈθɪŋɪnɪs/, the quality of being thingy; (a).reality, actuality, objectivity; (b).devotion to things, practical or matter-of-fact character.