1. Tested and proved to be reliable
   - tested, tried, tried and true

See also: dependable, reliable

• misdeal
• misdeed
• misdeliver
• misdemean
• misdemeanor
• misdemeanour
• misdescribe
• misdiagnose
• misdiagnosis
• misdirect
• misdirection
• misdo
• misdoubt
• mise
• mise en scène
• miseducate
• misemploy
• miser
• miserable
• miserableness
• miserably
• miserere
• misericord
• miserliness
• miserly