Simple past tense and past participle of jumpstart.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "jumpstarted" in a sentence
"Taking second overall in the Grand Prix and winning the U.S. title jumpstarted Cheever's season a year ago, as he went on to win World Cup silver twice and finish No. 3 overall in the world."
""That kind of jumpstarted us in terms of offense," Lambert said."
"Jay Thompson is an old friend and an amazing poet and a bit of a songwriter that kind of jumpstarted the project, we just wrote a bunch of songs together and one of them, this song,"