📖 WordNook

activate

verb
  1. to make active or more active
    “You should activate that old file.”
  2. to make substances radioactive
    “I activated the materials two hours ago.”
  3. to aerate sewage so as to favor the growth of organisms that decompose organic matter
    “We activated the sewage.”
  4. to make more adsorptive
    “I activate a metal.”
  5. to put in motion or move to act
    “I activated the plan.”
    trip