adventure

Noun

• a wild and exciting undertaking (not necessarily lawful)

Verb

• put at risk
  • I will stake my good reputation for this
    

• take a risk in the hope of a favorable outcome
  • When you buy these stocks you are gambling
    

Related words

• Synonyms: 
  escapade , risky venture , dangerous undertaking , venture , hazard , stake , jeopardize , gamble , chance , risk , take chances , run a risk , take a chance