Synonyms of the word 
STARTLED → SURPRISED
startled
- adj. Surprised and slightly frightened.
- adj. Extremely shocked.
- v. simple past tense and past participle of startle.
surprised
- adj. Caused to feel surprise, amazement or wonder, or showing an emotion due to an unexpected event.
- v. simple past tense and past participle of surprise.
If you are interested in words, visit the following sites :
- wiktionary.org/startled For complete definition of a word
- 1word.ws/startled to play with words, suffixs, prefixs, etc.