surprise-n; 2 Senses

Sense Number 1: a feeling of astonishment

Examples:
I saw a look of surprise on John's face.
Much to Sally's surprise, Bob offered her a promotion.
The question seemed to take the candidate by surprise.

Mappings:
PropBank: surprise.01
WordNet 3.0 Sense Numbers: 1

Sense Number 2: an unexpected noteworthy event

Commentary: SURPRISE[+event][+noteworthy][+unexpected]

Examples:
John's birthday party is supposed to be a surprise.
The CEO's resignation today came as a surprise.
What a surprise to find a foot of snow on the ground this morning!
Mary's big surprise turned out to be that she's pregnant.
The enemy's surprise retreat was a foil to lure the troops into a trap.

Mappings:
PropBank: surprise.01
WordNet 3.0 Sense Numbers: 2