Synonyms of the word

observational

• adj. (sciences) Based on or pertaining to scientific observation.
• adj. Pertaining to observation in general.

empiric

• adj. empirical.
• n. A member of a sect of ancient physicians who based their theories solely on experience.
• n. Someone who is guided by empiricism; an empiricist.
• n. Any unqualified or dishonest practitioner; a charlatan; a quack.

empirical

• adj. Pertaining to or based on experience.
• adj. Pertaining to, derived from, or testable by observations made using the physical senses or using instruments…
• adj. (philosophy of science) Verifiable by means of scientific experimentation.

experimental

• adj. Pertaining to or founded on experiment.
• adj. (sciences) Serving to be experimented upon; used in an experiment.
• adj. Serving as an experiment; serving to experiment.
• adj. Experiential, empirical.
• n. The subject of an experiment.