(+ with) in agreement, harmony, or accordance with something
carrying a certain air of distinction congruous with good family — T S Eliot
formal conforming to the circumstances or requirements of a situation; appropriate
a congruous room to work in — George Bernard Shaw
congruity /kənʹgrooh·iti/ noun
congruously adv
congruousness noun
[Latin congruus harmonious, concordant, from congruere to run together, coincide, agree, from con- + ruere to fall, rush]