IPA: /ˈdʒɛntlnəs/
KK: /ˈdʒɛntlnəs/
The quality of being kind, calm, and mild in behavior or attitude.
Her gentleness made her a beloved teacher among her students.
Gentleness → It is formed from "gentle" (from Old French *gentil*, meaning noble or well-born) and "-ness" (meaning the state or quality of). The word "gentleness" refers to the quality of being gentle, kind, or mild.
Think of the word 'gentle' which means kind or mild, and remember that 'gentleness' is the state of being gentle.