peradventure

Adverb

• by chance
  • perhaps she will call tomorrow
    
  • we may possibly run into them at the concert
    
  • it may peradventure be thought that there never was such a time
    

Noun

• doubt or uncertainty as to whether something is the case
  • this proves beyond peradventure that he is innocent
    

Related words

• Synonyms: 
  possibly , perchance , perhaps , maybe , mayhap