Definition of together :
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.
2. In concert; with mutual cooperation; as, the allies made war upon France together.
3. In or into union; into junction; as, to sew, knit, or fasten two things together; to mix things together.
when, undisturbed, self-possessed, overall, coolheaded, miscellaneous, favorable, while, serene, in unison, onward, unneurotic, court, equal, back, confident, go together, nearby, accompanied, conjointly, in company with, united, joint, in working order, bilateral, placid, go out, go, just, generally, unperturbed, cheat, in collaboration, peaceful, proud, graded, somehow, assertive, unitedly, at one with, complementary, as, mutually, in accord with, unruffled, self-confident, date, commonly, favourable, multilateral, by mutual/common consent, tranquil, time, collected, synchronously, jointly, still, collectively, unshaken, close, meanwhile, otherwise, all set, ready, group, prepared, in concert, in agreement, in association with, sedate, at the same time, alongside, beside, simultaneously, level, cool, concurrent, dally with, limpid, jumbled, forceful, as a whole, in general, cohesive, balanced, unworried, all the time, cohabit, fool around, by definition, something of the kind, evenly, possessed, untroubled, dignified, combined, recollected, carry on, by and large, next door, near, self-composed, even as, smooth, next to, put together, when all is said and done, broadly/generally speaking, integrated, go with, mutual, set, simultaneous, composed, agreed, self-assured, heterogeneous, someway, eclectic, bold, attached
simultaneously (part of speech: adverb)