Answer: liton

AnswerCrossword Clue
LITON

Happened across

LITON

Found by chance

LITON

Achieved by chance

LITON
Discovered accidentally
LITON
Discovered by chance
LITONDiscovered accidentally.
LITONSettled upon
LITONArrived at by chance
LITONFound fortuitously
LITONCame across