Synonyms of the word 
STARTLING → SURPRISING
startling
- v. present participle of startle.
- adj. Likely to startle; surprising; shocking.
- n. A startle; a sudden motion or shock.
surprising
- v. present participle of surprise.
- adj. That is or are a surprise.
- n. A situation in which somebody is surprised.
If you are interested in words, visit the following sites :
- wiktionary.org/startling For complete definition of a word
- 1word.ws/startling to play with words, suffixs, prefixs, etc.