A doctrine (or set of doctrines) relating to matters such as morality and faith, set forth authoritatively by a religious organization or leader.
An authoritative principle, belief or statement of opinion, especially one considered to be absolutely true and indisputable, regardless of evidence or without evidence to support it.
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.