Synonyms of the word 
GENTLY → LIGHTLY - MILDLY - SOFTLY
gently
- adv. in a gentle manner.
lightly
- adv. In a light manner.
mildly
- adv. In a mild manner.
- adv. To a mild degree; slightly.
softly
- adv. In a soft manner; gently.
- adv. Not loudly; nearly inaudible.
If you are interested in words, visit the following sites :
- wiktionary.org/gently For complete definition of a word
- 1word.ws/gently to play with words, suffixs, prefixs, etc.