Answer: kindest

AnswerCrossword Clue
KINDESTMost caring
KINDESTMost compassionate
KINDESTMost gracious
KINDESTLike Miss Congeniality
KINDESTKind of regards
KINDESTLeast cold
KINDESTMost merciful, e.g.
KINDESTMost charitable
kindestKIND, good to others
kindestgentle; considerate