society > leisure > the arts > literature > style of language or writing > copiousness > [adjective] > having abundant vocabulary > profuse > effusive (3)
With reference to speech: Unrestrained, effusive; esp. in phrase lavish of (one's) tongue. Now only as contextual use of 2.
That lavishes; extravagant; †given to reckless or unrestrained behaviour.
Of language or behaviour, or of a person with regard to this. Unrestrained, exuberant; effusive; lavish; wholehearted.