The Collaborative International Dictionary
Separably
Separable \Sep"a*ra*ble\, a. [L. separabilis: cf. F. s['e]parable.] Capable of being separated, disjoined, disunited, or divided; as, the separable parts of plants; qualities not separable from the substance in which they exist. -- Sep"a*ra*ble*ness, n. -- Sep"a*ra*bly, adv.
Trials permit me not to doubt of the separableness of a
yellow tincture from gold.
--Boyle.
Wiktionary
separably
adv. In a manner that can be separated.
WordNet
separably
adv. with possibility of separation or individuation; "the two ideas were considered separably" [ant: inseparably]