start up

Verb (2)

1. get going or set in motion“We simply could not start the engine”“start up the computer”Synonyms: startstart up
2. 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”Synonyms: startstart upembark oncommence