Partaking of the same nature; allied by natural characteristics; kindred; sympathetic.

Naturally adapted; suited to the disposition; as, a congenial atmosphere to work in.

suitable to your needs or similar to your nature; "a congenial atmosphere to work in"; "two congenial spirits united...by mutual confidence and reciprocal virtues"- T.L.Peacock

capable of cross-fertilization or of being grafted; -- used of plants.

used of plants; capable of cross-fertilization or of being grafted