corrupt, debase, debauch, demoralise, demoralize, deprave, misdirect, pervert, profane, vitiate, subvert - corrupt morally or by intemperance or sensuality; "debauch the young people with wine and women"; "Socrates was accused of corrupting young men"; "Do school counselors subvert young children?"; "corrupt the morals"

jump-start, jumpstart - start or re-start vigorously; "The Secretary of State intends to jumpstart the Middle East Peace Process"

recommence - cause to start anew; "The Taliban recommenced hostilities after a few days of quiet"

usher in, inaugurate, introduce - be a precursor of; "The fall of the Berlin Wall ushered in the post-Cold War period"

set off - set in motion or cause to begin; "The guide set the tour off to a good start"

embark on, start up, commence, start - 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"

begin - have a beginning, of a temporal event; "WWII began in 1939 when Hitler marched into Poland"; "The company's Asia tour begins next month"