And the word is:
inveigle. to win over by flattery or coaxing
Krystal inveigled the studly, genius-of-a-man into taking the GRE for her.
Apparently it is Anglo-Norman French in origin. Meaning it is a really, really, old word. Like, so old that people don't even use it anymore. It is also the name of a B grade play that is Not Suitable For Children. Truly scary, I know.
In other news, I already know what the words jocose and junta mean. Go me.