The Collaborative International Dictionary of English v.0.48:

Recline \Re*cline"\ (r[-e]*kl[imac]n"), v. t. [imp. & p. p.
   Reclined (r[-e]*kl[imac]nd"); p. pr. & vb. n. Reclining.]
   [L. reclinare; pref. re- re- + clinare to lean, incline. See
   Incline, Lean to incline.]
   To cause or permit to lean, incline, rest, etc.; to place in
   a recumbent position; as, to recline the head on the hand.
   [1913 Webster]

         The mother
         Reclined her dying head upon his breast. --Dryden.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Recline \Re*cline"\, v. i.
   1. To lean or incline; as, to recline against a wall.
      [1913 Webster]

   2. To assume, or to be in, a recumbent position; as, to
      recline on a couch.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Recline \Re*cline"\, a. [L. reclinis. See Recline, v. t.]
   Having a reclining posture; leaning; reclining. [R.]
   [1913 Webster]

         They sat, recline
         On the soft downy bank, damasked with flowers.
                                                  --Milton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

recline
    v 1: move the upper body backwards and down [syn: lean back,
         recline]
    2: cause to recline; "She reclined her head on the pillow"
    3: lean in a comfortable resting position; "He was reposing on
       the couch" [syn: recumb, repose, recline]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "recline":
   abut on, be based on, bear on, bed, bed down, bestraddle, bestride,
   cant, couch, crawl, curl up, go to bed, go to rest, grovel, heel,
   incline, lay, lean, lean on, lie, lie down, lie flat, lie limply,
   lie on, lie prone, lie prostrate, list, loll, lounge, perch, prone,
   prostrate, rely on, repose, repose on, rest, rest on, ride,
   settle to rest, sit on, slope, snug down, sprawl, stand on,
   straddle, stretch out, stride, supinate, take it easy,
   take life easy, tilt, tip