Associable

a.	1.	Capable of being associated or joined. We know feelings to be associable only by the proved ability of one to revive another. - H. Spencer.
	2.	Sociable; companionable.
	3.	(Med.) Liable to be affected by sympathy with other parts; - said of organs, nerves, muscles, etc. The stomach, the most associable of all the organs of the animal body. - Med. Rep.

Adj.

1.

associable - capable of being associated; "words associable with politics"

associative, associatory