Functioning and Reliable

noun

• Process or manner of functioning or operating.
  • usage: "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"
  • synonyms: operation, performance

verb

• Perform as expected when applied.
  • usage: "The washing machine won't go unless it's plugged in"; "Does this old car still run well"; "This old radio doesn't work anymore"
  • synonyms: function, work, operate, go, run
• Serve a purpose, role, or function.
  • usage: "The tree stump serves as a table"; "The female students served as a control group"; "This table would serve very well"; "His freedom served him well"; "The table functions as a desk"
  • synonyms: serve, function
• Perform duties attached to a particular office or place or function.
  • usage: "His wife officiated as his private secretary"
  • synonyms: officiate, function

adjective

• Performing or able to perform its regular function.
  • usage: "a functioning flashlight"

adjective

• Worthy of reliance or trust.
  • usage: "a reliable source of information"; "a dependable worker"
  • synonyms: dependable
• Worthy of being depended on.
  • usage: "a dependable worker"; "an honest working stiff"; "a reliable sourcSFLe of information"; "he was true to his word"; "I would be true for there are those who trust me"
  • synonyms: dependable, honest, true
• Conforming to fact and therefore worthy of belief.
  • usage: "an authentic account by an eyewitness"; "reliable information"
  • synonyms: authentic