Synonyms and Antonyms of observational
based on observation or experience her reports on the great apes were based on firsthand observational evidence Synonyms existential, experiential, experimental, objective, empiricalRelated Words actual, factual, genuine, hard, material, real; accepted, established, tried, tried-and-true; indisputable, undeniable; demonstrable, provable, verifiableNear Antonyms conjectural, hypothetical, speculative; unproven, unsubstantiated; metaphysical, transcendentalist, visionaryAntonyms nonempirical, theoretical (also theoretic), unempirical
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