Congruent (adjective)

1. Being in agreement or harmony.
2. Being the same shape and size and corresponding in every detail.

Origin:

From the latin congruus, meaning "agreeing, corresponding".

Examples:

1. The two triangles were congruent.
2. The plans were congruent, which was essential for the success of the project.
3. His words and actions were congruent, which made it clear that he was trustworthy.
4. The ancient and the modern map were congruent, which was striking.
5. The data sets were congruent, which helped to confirm the hypothesis.