The Collaborative International Dictionary of English v.0.48:

Scrutinize \Scru"ti*nize\, v. i.
   To make scrutiny.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scrutinize \Scru"ti*nize\, v. t. [imp. & p. p. Scrutinized; p.
   pr. & vb. n. Scrutinizing.] [From Scrutiny.]
   To examine closely; to inspect or observe with critical
   attention; to regard narrowly; as, to scrutinize the measures
   of administration; to scrutinize the conduct or motives of
   individuals.
   [1913 Webster]

         Whose votes they were obliged to scrutinize. --Ayliffe.
   [1913 Webster]

         Those pronounced him youngest who scrutinized his face
         the closest.                             --G. W. Cable.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scrutinize
    v 1: to look at critically or searchingly, or in minute detail;
         "he scrutinized his likeness in the mirror" [syn: size
         up, take stock, scrutinize, scrutinise]
    2: examine carefully for accuracy with the intent of
       verification; "audit accounts and tax returns" [syn: audit,
       scrutinize, scrutinise, inspect]