impanel \impan"el\, v. t. imp.  p. p. impaneledor
   impanelled; p. pr.  vb. n. impaneling or impanelling.
   pref. im- in + panel. cf. empanel. written also
   empanel.
   to enter in a list, or on a piece of parchment, called a
   panel; to form or enroll, as a list of jurors in a court of
   justice. --blackstone.
   1913 webster
see also:
impaneled impanelled impaneling impanelling empanel empanel