moderate in type or degree or effect or force; far from extreme
A mild winter storm. A mild fever. Fortunately the pain was mild. A mild rebuke. Mild criticism.
source: WordNet 3.0
Gentle; pleasant; kind; soft; bland; clement; hence, moderate in degree or quality; -- the opposite of harsh, severe, irritating, violent, disagreeable, etc.; -- applied to persons and things; as, a mild disposition; a mild eye; a mild air; a mild medicine; a mild insanity.
source: Webster 1913
adjective satellite
humble in spirit or manner; suggesting retiring mildness or even cowed submissiveness
Meek and self-effacing.
source: WordNet 3.0
mild and pleasant
Balmy days and nights. The climate was mild and conducive to life or growth. A soft breeze.