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.
Ideal but often impractical; visionary.
Of or pertaining to or resembling a utopia.
Someone who supports or heralds the establishment of a utopia.