commence

Verb

• get off the ground
  • 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
    

• set in motion, cause to start
  • The U.S. started a war in the Middle East
    
  • The Iraqis began hostilities
    
  • begin a new chapter in your life
    

• take the first step or steps in carrying out an action
  • 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
    

Related words

• Synonyms: 
  start , start up , embark on , begin , lead off , get down , get , start out , set about , set out
• Antonyms: 
  end , terminate