adventitiously

/ˌædvɛnˈtɪʃəsli/
adverb
  1. In a way that happens by chance or accident, rather than as part of a plan.
    • He adventitiously found a rare coin in the pocket of an old jacket.
    • The two scientists met adventitiously at a coffee shop and decided to collaborate.
    • She adventitiously discovered the missing letter while cleaning her desk.
Antonyms
What does "adventitiously" mean? | whatsthatwordmean | whatsthatwordmean