Answer: liton

AnswerCrossword Clue
LITONHappened across
LITONFound by chance
LITONAchieved by chance
LITONDiscovered accidentally
LITONDiscovered by chance
LITONDiscovered accidentally.
LITONSettled upon
LITONArrived at by chance
LITONFound fortuitously
LITONCame across