start up

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
    

• get going or set in motion
  • We simply could not start the engine
    
  • start up the computer
    

Related words

• Synonyms: 
  start , embark on , commence