Synonym word of is in operation:

act, act the part, be in action, be in commission, be in operation, be running, behave, cook, do, do duty, do one's thing, get with it, go, go to town, move, officialize, officiate, operate, percolate, react, run, serve, take, take care of business


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular