The Collaborative International Dictionary of English v.0.48:

Indicate \In"di*cate\, v. t. [imp. & p. p. Indicated; p. pr. &
   vb. n. Indicating.] [L. indicatus, p. p. of indicare to
   indicate; pref. in- in + dicare to proclaim; akin to dicere
   to say. See Diction, and cf. Indict, Indite.]
   [1913 Webster]
   1. To point out; to discover; to direct to a knowledge of; to
      show; to make known.
      [1913 Webster]

            That turns and turns to indicate
            From what point blows the weather.    --Cowper.
      [1913 Webster]

   2. (Med.) To show or manifest by symptoms; to point to as the
      proper remedies; as, great prostration of strength
      indicates the use of stimulants. Opposite of
      contraindicate.
      [1913 Webster +PJC]

   3. (Mach.) To investigate the condition or power of, as of
      steam engine, by means of an indicator.

   Syn: To show; mark; signify; denote; discover; evidence;
        evince; manifest; declare; specify; explain; exhibit;
        present; reveal; disclose; display.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Indicated \In"di*ca`ted\, a.
   Shown; denoted; registered; measured.
   [1913 Webster]

   Indicated power. See Indicated horse power, under Horse
      power.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "indicated":
   assumed, augured, called for, essential, foreshadowed, foreshown,
   foretokened, hinted, implicated, implied, indispensable, inferred,
   intimated, involved, irreducible, irreductible, irreplaceable,
   meant, necessary, needed, needful, predicted, prefigured,
   preindicated, prerequisite, presaged, presignified, presumed,
   presupposed, pretypified, prognosticated, promised, required,
   requisite, signified, suggested, supposed, threatened, unforgoable,
   vital, wanted