Source : Webster's Revised Unabridged Dictionary (1913)

Salivate \Sal"i*vate\, v. t. [imp. & p. p. {Salivated}; p. pr. &
   vb. n. {Salivating}.] [L. salivatus, p. p. of salivare to
   salivate. See {Saliva}.]
   To produce an abnormal flow of saliva in; to produce
   salivation or ptyalism in, as by the use of mercury.

Source : WordNet®

salivate
     v 1: produce saliva; "We salivated when he described the great
          meal"
     2: be envious, desirous, eager for, or extremely happy about
        something; "She was salivating over the raise she
        anticipated" [syn: {drool}]