1. (a.) Pertaining to experiment; founded on, or derived from, experiment or trial; as, experimental science; given to, or skilled in, experiment; as, an experimental philosopher.

2. (a.) Known by, or derived from, experience; as, experimental religion.

conjectural cut-and-try determined developmental empirical experiential exploratory heuristic hit-or-miss hypothetical pilot preliminary preparatory probationary probative probatory proving provisional resolute speculative temporary tentative test testing theoretical trial trial-and-error trying venturesome verificatory willing