Consistent
/kənˈsɪstənt/
noun
(in the plural) Objects or facts that are coexistent, or in agreement with one another.
A kind of penitent who was allowed to assist at prayers, but was not permitted to receive the holy sacraments.
adjective
Of a regularly occurring, dependable nature.
“He is very consistent in his political choices: economy good or bad, he always votes Labour!”
Compatible, accordant.
Of a set of statements: such that no contradiction logically follows from them.