From Longman Dictionary of Contemporary Englishsimpaticosim‧pat‧i‧co /sɪmˈpætɪkəʊ $ -koʊ/ adjective American English informal 1 NICEsomeone who is simpatico is pleasant and easy to like2 AGREEin agreement We’re simpatico about most things.
Examples from the Corpus
simpatico• Not all couples are simpatico during long car trips.• Guitar legend Ry Cooder adds his simpatico guitar weaves.Origin simpatico (1800-1900) Italian and Spanish, from Latin sympathia; → SYMPATHY