Congruent is an adjective that means consistent.

Our word of the day comes directly from Latin where it means ‘come together.’ It shares its roots with words like ‘congress’ and ‘congregate.’ When two things come together in unison, they could be considered consistent or congruent.

Abby’s behavior may be weird, but at least her weirdness is congruent with the behavior of everybody else in the band. They all act as if they had lost their minds.