Presumed without analysis.
Self-evident, intuitively obvious.
Based on hypothesis and theory rather than experiment or empirical evidence.
Developed entirely from scratch, without deriving it from existing languages.
In a way based on theoretical deduction rather than empirical observation.
Not real or substantial; having no actual presence in reality; lacking the characteristics of reality.
very impressive; amazing; unbelievable; incredible; larger or more fantastic than typical of real life.