functioning

Adjective
  1. Performing or able to perform its regular function (synset 301095249)
    "a functioning flashlight"
Noun
  1. Process or manner of functioning or operating (synset 113546752)
    "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"

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