The quality or state of being actual, real, or existing in fact; the condition of being actual rather than potential or imaginary.
From 'actual' plus '-ness' suffix (forming nouns indicating a quality or state). The '-ness' suffix is one of the oldest productive word-forming elements in English, from Old English origins.
Philosophers argue endlessly about 'actualness'—does a rock have more actualness than a dream? A law than a thought? It seems obvious until you try to define the precise boundary.
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