A conviction about abstractions, ideas, or beliefs, without empirical evidence, experience, or observation.
An obligation of loyalty or fidelity and the observance of such an obligation.
A religious or spiritual belief system.
A trust or confidence in the intentions or abilities of a person, object, or ideal from prior empirical evidence.
Doubt; the condition of being uncertain or without conviction.
A parameter that measures the dispersion of a range of measured values.
Something uncertain or ambiguous.