Synonyms for Accordant (same or very similar meaning)
WordNet sense 1 (in keeping):
conformable, consonant
WordNet sense 2 ((sometimes followed by `with') in agreement or consistent or reliable):
consistent
WordNet sense 3 (being of the same opinion):
concordant
WordNet sense 4 (prepared to agree or consent):
agreeable
From the ODE community, based on WordNet
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