You can describe something as existent when it exists. Their remedy lay within the range of existent technology. see also non-existent = existing. existing now nonexistent. something that is real and exists
presently existing in fact and not merely potential or possible; "the predicted temperature and the actual temperature were markedly different"; "actual and imagined conditions"
being or occurring in fact or actuality; having verified existence; not illusory; "real objects"; "real people; not ghosts"; "a film based on real life"; "a real illness"; "real humility"; "Life is real! Life is earnest!"- Longfellow
having existence or being or actuality; "an attempt to refine the existent machinery to make it more efficient"; "much of the beluga caviar existing in the world is found in the Soviet Union and Iran"