The Collaborative International Dictionary of English v.0.48:

Tutor \Tu"tor\, v. t. [imp. & p. p. Tutored; p. pr. & vb. n.
   Tutoring.]
   1. To have the guardianship or care of; to teach; to
      instruct.
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            Their sons are well tutored by you.   --Shak.
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   2. To play the tutor toward; to treat with authority or
      severity. --Addison.
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