The Collaborative International Dictionary of English v.0.48:

Salutary \Sal"u*ta*ry\, a. [L. salutaris, from salus, -utis,
   health, safety: cf. F. salutaire. See Salubrious.]
   1. Wholesome; healthful; promoting health; as, salutary
      exercise.
      [1913 Webster]

   2. Promotive of, or contributing to, some beneficial purpose;
      beneficial; advantageous; as, a salutary design.
      [1913 Webster]

   Syn: Wholesome; healthful; salubrious; beneficial; useful;
        advantageous; profitable.
        [1913 Webster] -- Sal"u*ta*ri*ly, adv. --
        Sal"u*ta*ri*ness, n.
        [1913 Webster]

WordNet (r) 3.0 (2006):

salutary
    adj 1: tending to promote physical well-being; beneficial to
           health; "beneficial effects of a balanced diet"; "a good
           night's sleep"; "the salutary influence of pure air"
           [syn: good, salutary]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "salutary":
   aidful, beneficial, benign, bracing, conducive, constitutional,
   constructive, contributory, furthersome, good, good for,
   health-enhancing, health-preserving, healthful, healthy, helpful,
   hygeian, hygienic, invigorating, positive, profitable, refreshing,
   remedial, restorative, salubrious, sanative, sanatory, sanitary,
   serviceable, therapeutic, tonic, useful, wholesome