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1.
combination of anticipating and anxious; excited yet nervous at the same time
I was so anticipatious for the track meet because I wasn't sure how well I would do, but I couldn't wait to compete.
by Noodle May 16, 2003
 
2.
When you are excited/worried waiting for something.
Mom: Hunny, are you excited for your first day of high school?
Daughter: Uhhh, kinda. I'm feeling a little anticipatious.
by totallysporty8 July 02, 2010
 
3.
–adjective
of, showing, or expressing anticipation by feeling mental distress or uneasiness because of fear of danger or misfortune
I tend to get angry when feeling anticipatious about something.
by JBCollins September 12, 2008