" chancing (upon) "

1: to come upon face-to-face or as if face-to-face;

  * e.g., " ... chanced upon my archenemy as I rounded a corner "

•  Synonyms : 

•  catching,

•  encountering,

•  happening (upon),

•  meeting,

•  stumbling (upon)

•  Antonyms : 

• (N/A)

2: to come upon unexpectedly or by chance;

  * e.g., " ... I chanced upon your mother in the grocery store yesterday "

•  Synonyms : 

•  encountering,

•  finding,

•  happening (on or upon),

•  hitting (upon),

•  lighting (on or upon),

•  meeting,

•  pitching (upon),

•  stumbling (on or onto),

•  tumbling (upon)

•  Antonyms : 

• (N/A)