Together, adv.
Etymology: [OE. togedere, togidere, AS. togædere, togædre, togadere; to to + gador together. 29. See To, prep., and Gather.]
1. In company or association with respect to place or time; as, to live together in one house; to live together in the same age; they walked together to the town. Soldiers can never stand idle long together. Landor.
2. In or into union; into junction; as, to sew, knit, or fasten two things together; to mix things together. The king joined humanity and policy together. Bacon.
3. In concert; with mutual coöperation; as, the allies made war upon France together. Together with, in union with; in company or mixture with; along with. Take the bad together with the good. Dryden.
Shades of meaning
Fernald lists together only as an antonym, under apiece.
He lists it without comment; the entries above explain its neighbors.