IPA: /ˈvɛn.tʃər.sə.məs/
KK: /ˈvɛnʧərsəmnəs/
The quality of being willing to take risks or try new things.
Her venturesomeness led her to travel to remote places and try extreme sports.
Venturesomeness → It is formed from "venture" (from Old French *aventure*, meaning chance or risk) and "-some" (meaning characterized by). The word "venturesomeness" refers to the quality of being characterized by taking risks or being adventurous.
Think of 'venture' as taking a 'chance' and '-some' meaning characterized by — so venturesomeness is all about being characterized by taking chances.