simpatico
Simpatico is an adjective of Italian origin meaning pleasant, likable, or congenial. In Italian it describes someone who is friendly and easy to get along with, or something that makes a favorable impression. In English, simpatico has been borrowed to mean “likable, easy to work with, or in harmony with others.” It is usually used to describe people, but can also describe situations, as in a simpatico collaboration, though more common alternatives include congenial or harmonious.
Etymology: The word comes from Italian simpatico, which itself traces to Latin sympathicus, ultimately from Greek
Usage: In English, it commonly appears in informal speech, often without italics, as in “He’s a simpatico
See also: congenial, likable, amiable, harmonious, compatible, sympathetic.