The Collaborative International Dictionary of English v.0.48:

Sacramental \Sac`ra*men"tal\, a. [L. sacramentalis: cf. F.
   sacramental, sacramentel.]
   1. Of or pertaining to a sacrament or the sacraments; of the
      nature of a sacrament; sacredly or solemnly binding; as,
      sacramental rites or elements.
      [1913 Webster]

   2. Bound by a sacrament.
      [1913 Webster]

            The sacramental host of God's elect.  --Cowper.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sacramental \Sac`ra*men"tal\, n.
   That which relates to a sacrament. --Bp. Morton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

sacramental
    adj 1: of or relating to or involving a sacrament

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "sacramental":
   Agnus Dei, High-Church, Holy Grail, Host, Pieta, Sanctus bell,
   Sangraal, ark, asperger, asperges, aspergillum, bambino, baptismal,
   beadroll, beads, candle, censer, ceremonial, ceremonious, ceremony,
   chaplet, ciborium, cross, crucifix, cruet, duty, eucharistial,
   eucharistic, form, form of worship, formal, formality, formula,
   formular, formulary, function, holy cross, holy rite, holy water,
   holy-water sprinkler, icon, incensory, institution, liturgic,
   liturgistic, liturgy, matzo, menorah, mezuzah, mikvah,
   mode of worship, monstrance, mystery, observance, office,
   order of worship, ordinance, osculatory, ostensorium, paschal,
   paschal candle, pax, phylacteries, practice, prayer shawl,
   prayer wheel, prescribed form, pyx, relics, rite, ritual,
   ritual observance, ritualistic, rituality, rood, rosary, sacrament,
   sacramentarian, sacred relics, sacring bell, service, shofar,
   solemnity, sukkah, tabernacle, tallith, thurible, urceole,
   veronica, vigil light, votive candle