WordNet records no synonym and no antonym for fricassee. It is the only member of each of its synsets, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
pieces of chicken or other meat stewed in gravy with e.g. carrots and onions and served with noodles or dumplings
make a fricassee of by cooking
“fricassee meats”
Synonyms, antonyms and the broader and narrower relations for fricassee come from Princeton University’s WordNet. Full sources and licences.