Congeniality ( or ; 106), n.
The state or quality of being congenial; natural affinity; adaptation; suitableness. Sir J. Reynolds.
If congeniality of tastes could have made a marriage happy, that union should have been thrice blessed. Motley.
Shades of meaning
Fernald lists congeniality only as an antonym, under antipathy.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given