"kindlier" in the adjective sense
1. charitable, benevolent, kindly, sympathetic, good-hearted, openhearted, large-hearted
showing or motivated by sympathy and understanding and generosity
"was charitable in his opinions of others"
"kindly criticism"
"a kindly act"
"sympathetic words"
"a large-hearted mentor"
2. kindly
pleasant and agreeable
"a kindly climate"
"kindly breeze"
Source: WordNet® (An amazing lexical database of English)
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