The Collaborative International Dictionary of English v.0.48:

Root \Root\ (r[=oo]t), v. i. [imp. & p. p. Rooted; p. pr. &
   vb. n. Rooting.]
   1. To fix the root; to enter the earth, as roots; to take
      root and begin to grow.
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            In deep grounds the weeds root deeper. --Mortimer.
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   2. To be firmly fixed; to be established.
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            If any irregularity chanced to intervene and to
            cause misappehensions, he gave them not leave to
            root and fasten by concealment.       --Bp. Fell.
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The Collaborative International Dictionary of English v.0.48:

Rooted \Root"ed\, a.
   Having taken root; firmly implanted; fixed in the heart. "A
   rooted sorrow." --Shak.
   [1913 Webster] -- Root"ed*ly, adv. -- Root"ed*ness, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rooted
    adj 1: absolutely still; "frozen with horror"; "they stood
           rooted in astonishment" [syn: frozen(p), rooted(p),
           stock-still]