Answer: salivate

AnswerCrossword Clue
SALIVATE

Show great anticipation, informally

SALIVATE

Show eagerness

SALIVATE

Have a Pavlovian response, perhaps

SALIVATE
Drool
SALIVATE
React like Pavlov's dogs
SALIVATEPavlov's dogs were conditioned to do this
SALIVATEGet ready for dinner?
SALIVATEShow great anticipation
SALIVATEShow eager anticipation
SALIVATEEmulate Pavlov's dog
SALIVATEShow real eagerness