' What is Reality ? '...

the world or the state of things as they actually exist, as opposed to an idealistic or notional idea of them.
"he refuses to face reality"
synonyms: the real world, real life, actuality; More
truth;
physical existence
"distinguishing fantasy from reality"


antonyms: fantasy
a thing that is actually experienced or seen, especially when this is grim or problematic.
plural noun: realities
"the harsh realities of life in a farming community"
synonyms: fact, actuality, truth
"the harsh realities of life"
a thing that exists in fact, having previously only existed in one's mind.


"the paperless office may yet become a reality"
the quality of being lifelike or resembling an original.

"the reality of Marryat's detail"
synonyms: verisimilitude, authenticity, realism, fidelity, faithfulness
"the reality of Steinbeck's detail"
antonyms: idealism
relating to reality TV.

modifier noun: reality
"a reality show"


2.
the state or quality of having existence or substance.
"youth, when death has no reality"
Philosophy
existence that is absolute, self-sufficient, or objective, and not subject to human decisions or conventions.

Origin
late 15th century: via French from medieval Latin realitas, from late Latin realis ‘relating to things’ (see real1).
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Use over time for: reality