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.
Reasonably to be expected; apparently destined, probable
probable; having a greater-than-even chance of occurring
attractive; pleasant
appropriate, suitable; believable; promising, having a good potential
plausible; within the realm of credibility
leading with high probability to some specified outcome
Something or somebody considered likely.
Probably.