Let's check the dictionary... (H)
********en.wiktionary.org/wiki/stimulus
From Latin stimulus (“prick”)
***********.etymonline.com/index.php?term=inauguration
inauguration from Fr. inauguration "installation"
Stimulus is a prick (bigger, badder and uncut (H) ) and inauguration is a process of its installation (into one of your natural orifices). :-P (fr)