start-up

(noun) the act of setting in operation. Synonyms: startup. Example: "Repeated shutdowns and startups are expensive."

(noun) the act of starting a new operation or practice. Synonyms: inauguration, startup. Examples: "He opposed the inauguration of fluoridation." "The startup of the new factory was delayed by strikes."

(verb) get going or set in motion. Synonyms: start, start up. Examples: "We simply could not start the engine." "Start up the computer."

(verb) get off the ground. Synonyms: start, start up, embark on, commence. Examples: "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."