Words to Describe ptyalism

How ptyalism often is described ("________ ptyalism")

• gentle
• profuse
• central
• acute
• exciting
• mild
• persistent
• spontaneous
• idiopathic
• moderate
• rapid
• active
• incipient
• constant
• excessive
• mercurial
• considerable
• true
• violent
• slight
• possible
• copious
• severe