hibernate
Here's a total list so far:
alleviate
amalgamate
Collaborate
Confederate x2
congregate
decimate
debate
debillitate
Elaborate
Eliminate
exterminate
fustrate
hibernate
hyperventilate
illuminate
Immigrate
Incinerate
infuriate
instagate
investigate
G'Day, Mate!
mutilate
paginate
perpetuate
Pirate
postulate
Potentate
regergitate
undulate