Found 2 items, similar to observational.
English → English (WordNet) Definition: observational observational adj : relying on observation or experiment; “experimental results that supported the hypothesis” [syn: experimental, data-based]
English → English (gcide) Definition: Observational Observational \Ob`ser*va"tion*al\, a. Of or pertaining to observation; consisting of, or containing, observations. --Chalmers. [1913 Webster]