n.
  - an unusual, exciting, and daring experience. ▸excitement arising from such experiences: ![]()  in search of adventure. 
- archaic a commercial speculation.
v.
 dated engage in an adventure.
Derivative
  
    - adventurer n.
- adventuresome adj.
- adventuress n.
 
  Etymology
  ME: from OFr. aventure (n.), aventurer (v.), based on L. adventurus ‘about to happen’, from advenire ‘arrive’.