Functioning and Secure

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"

verb

• Get by special effort.
  • usage: "He procured extra cigarettes even though they were rationed"
  • synonyms: procure
• Cause to be firmly attached.
  • usage: "fasten the lock onto the door"; "she fixed her gaze on the man"
  • synonyms: fasten, fix
• Assure payment of.
• Make certain of.
  • usage: "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success"
  • synonyms: guarantee, ensure, insure, assure
• Fill or close tightly with or as if with a plug.
  • usage: "plug the hole"; "stop up the leak"
  • synonyms: plug, stop up
• Furnish with battens.
  • usage: "batten ships"
  • synonyms: batten, batten down

adjective

• Free from fear or doubt; easy in mind.
  • usage: "he was secure that nothing will be held against him"
  • synonyms: unafraid, untroubled
• Free from danger or risk.
  • usage: "secure from harm"; "his fortune was secure"; "made a secure place for himself in his field"
• Not likely to fail or give way.
  • usage: "the lock was secure"; "a secure foundation"; "a secure hold on her wrist"
• Immune to attack; incapable of being tampered with.
  • usage: "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection"
  • synonyms: impregnable, inviolable, strong, unassailable, unattackable
• Financially sound.
  • usage: "a good investment"; "a secure investment"
  • synonyms: dependable, good, safe

• (v.t.) To make safe; to relieve from apprehensions of or exposure to, danger; to guard; to protect.
• (v.t.) To put beyond hazard of losing or of not receiving; to make certain; to assure; to insure; -- frequently with against or from, rarely with of; as, to secure a creditor against loss; to secure a debt by a mortgage.
• (v.t.) To make fast; to close or confine effectually; to render incapable of getting loose or escaping; as, to secure a prisoner; to secure a door or the hatches of a ship.
• (a.) Overconfident; incautious; careless; -- in a bad sense.
• (v.t.) To get possession of; to make one's self secure of; to acquire certainly; as, to secure an estate.
• (a.) Free from fear, care or anxiety; easy in mind; not feeling suspicion or distrust; confident.
• (a.) Confident in opinion; not entertaining or not having reason to entertain, doubt; certain; sure; -- commonly with of; as, secure of a welcome.
• (a.) Net exposed to danger; safe; -- applied to persons and things, and followed by against or from.

(DoD, NATO) In an operational context, to gain possession of a position or terrain feature, with or without force, and to make such disposition as will prevent, as far as possible, its destruction or loss by enemy action. See also denial measure.