Commit and Commence

• (v.t.) To give in trust; to put into charge or keeping; to intrust; to consign; -- used with to, unto.
• (v.t.) To confound.
• (v.i.) To sin; especially, to be incontinent.
• (v.t.) To put in charge of a jailor; to imprison.
• (v.t.) To join for a contest; to match; -- followed by with.
• (v.t.) To pledge or bind; to compromise, expose or endanger by some decisive act or preliminary step; -- often used reflexively; as, to commit one's self to a certain course.
• (v.t.) To do; to perpetrate, as a crime, sin or fault.

verb

• Perform an act, usually with a negative connotation.
  • usage: "perpetrate a crime"; "pull a bank robbery"
  • synonyms: perpetrate, pull
• Give entirely to a specific person, activity, or cause.
  • usage: "She committed herself to the work of God"; "give one's talents to a good cause"; "consecrate your life to the church"
  • synonyms: give, dedicate, consecrate, devote
• Cause to be admitted; of persons to an institution.
  • usage: "After the second episode, she had to be committed"; "he was committed to prison"
  • synonyms: institutionalize, institutionalise, send, charge
• Confer a trust upon.
  • usage: "The messenger was entrusted with the general's secret"; "I commit my soul to God"
  • synonyms: entrust, intrust, trust, confide
• Make an investment.
  • usage: "Put money into bonds"
  • synonyms: invest, put, place
• Engage in or perform.
  • usage: "practice safe sex"; "commit a random act of kindness"
  • synonyms: practice

(DoD) The process of committing one or more air interceptors or surface-to-air missiles for interception against a target track.

verb

• Take the first step or steps in carrying out an action.
  • usage: "We began working at dawn"; "Who will start"; "Get working as soon as the sun rises"; "The first tourists began to arrive in Cambodia"; "He began early in the day"; "Let's get down to work now"
  • synonyms: get down, begin, get, start out, start, set about, set out
• Set in motion, cause to start.
  • usage: "The U. S. Started a war in the Middle East"; "The Iraqis began hostilities"; "begin a new chapter in your life"
  • synonyms: begin, lead off, start
• Get off the ground.
  • usage: "Who started this company"; "We embarked on an exciting enterprise"; "I start my day with a good breakfast"; "We began the new semester"; "The afternoon session begins at 4 PM"; "The blood shed started when the partisans launched a surprise attack"
  • synonyms: start, start up, embark on

• (v.t.) To enter upon; to begin; to perform the first act of.
• (v.i.) To have a beginning or origin; to originate; to start; to begin.
• (v.i.) To begin to be or to act as.
• (v.i.) To take a degree at a university.