empirical
[əmˈpirik(ə)l]
ADJECTIVE
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based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.“they provided considerable empirical evidence to support their argument”synonyms:observed · seen · factual · actual · real · verifiable · firsthand · experimental · experiential · practical · pragmatic · hands-on · applied CITE: http://www.freedictionary.com
Two Rights Attempting To Make A Left! 
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