Synonyms of the word 
UNALARMING → CALMING - LULLING - QUIETENING
unalarming
- adj. Not alarming.
calming
- v. present participle of calm.
lulling
- v. present participle of lull.
quietening
- v. present participle of quieten.
- n. The act of making something quieter.
If you are interested in words, visit the following sites :
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- 1word.ws/unalarming to play with words, suffixs, prefixs, etc.