Microsoft Word said it didn't exist and the online Oxford, Cambridge and Merriam dictionaries do not bring it up. Google Translator does translate it into portuguese, but I'm afraid it was a translation proposed by other users.

For those reasons I am not sure if I can use it in my Thesis. Being a software developer, on the other hand, I know that some components are named "validator". Is this a valid English word or should I use any other to describe "something or someone that validates ..." ?



According to n-gram it's been around for about a century, and getting more popular all the time.enter image description here


Well the word definitely exists. I think its origin would be technical, eg. it is heavily used in software engineering. I'm not sure it's made the leap into common usage for "something or someone that validates ...". That said, I'm sure you would be understood.

As a double-check: what's your thesis about? Would the word normally be used in that context?

  • 1
    So who validates your parking ticket?
    – Hot Licks
    Apr 21 '15 at 12:24
  • 1
    My parking ticket is usually validated by the ticket machine or occasionally the booth attendant :)
    – dave
    Apr 21 '15 at 21:12
  • No, your parking ticket is validated by the person in the shop where you buy something, if they display in the front window "We validate XXXX parking tickets".
    – Hot Licks
    Apr 21 '15 at 23:49
  • Yes, I also made a search on google scholar and it is accepted so it is definitely worth using it. It is just interesting to me not to find definitions of it.
    – ClayKaboom
    Apr 22 '15 at 8:58

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