1. indicator a device for showing the operating condition of some system
  2. indicatory (usually followed by `of') pointing out or revealing clearly
  3. inductor an electrical device (typically a conducting coil) that introduces inductance into a circuit
  4. vindicator a person who argues to defend or justify some policy or institution
  5. vindicatory of or relating to or having the nature of retribution
  6. syndicator a businessman who forms a syndicate
  7. abdicator one who formally relinquishes an office or responsibility
  8. indicate designate a place, direction, person, or thing
  9. instigator someone who deliberately foments trouble
  10. Indicatoridae honey guides
  11. eradicator someone who exterminates
  12. indicative pointing out or revealing clearly
  13. judicatory the system of law courts that administer justice and constitute the judicial branch of government
  14. educator someone who educates young people
  15. integrator a measuring instrument for measuring the area of an irregular plane figure
  16. indict accuse formally of a crime
  17. judicature the act of meting out justice according to the law
  18. Indigofera genus of tropical herbs and shrubs having odd-pinnate leaves and spurred flowers in long racemes or spikes
  19. indication the act of pointing out by name
  20. authenticator one who determines authenticity or who guarantees validity

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