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1. Having existence, being or actuality
   "an attempt to refine the existent machinery to make it more efficient";
   - existing
    
2. Being or occurring in fact or actuality; having verified existence; not illusory
   "existent objects";
   - real
    
3. Presently existing in fact and not merely potential or possible
   "the predicted temperature and the existent temperature were markedly different";
   - actual

See also: active, actual, actuality, alive, being, beingness, concrete, documentary, echt, effective, existence, extant, face of the earth, factual, genuine, historical, objective, realism, realistic, reality, realness, sincere, true-life

Antonym: nonexistent, possible

Encyclopedia: Existent