gag (noun) gag: practical joke
Sinonime: all together, as one, at one fell swoop,
closely, coincidentally, collectively,
combined,
commonly, concertedly, concomitantly,
concurrently, conjointly, contemporaneously, en masse, hand in glove, hand in hand, in a body, in concert, in cooperation, in one breath, in sync, in unison, jointly, mutually, on the beat, side by side,
simultaneously, synchronically, unanimously, unitedly, with one accord, with one voice, with the beat
Antonime: apart, individually, separately