" hit (upon) "

1: to come upon unexpectedly or by chance;

  * e.g., " ... the popular belief that Sir Isaac Newton hit upon his understanding of gravity at the sight of an apple falling from a tree "

•  Synonyms : 

•  chance (upon),

•  encounter,

•  find,

•  happen (on or upon),

•  light (on or upon),

•  meet,

•  pitch (upon),

•  stumble (on or onto),

•  tumble (upon)

•  Antonyms : 

• (N/A)

1: to come upon after searching, study, or effort;

  * e.g., " ... the doctor finally hit on what was wrong with the pain-wracked woman "

•  Synonyms : 

•  ascertain,

•  descry,

•  detect,

•  determine,

•  dig out,

•  dig up,

•  discover,

•  dredge (up),

•  ferret (out),

•  find,

•  find out,

•  get,

•  hunt (down or up),

•  learn,

•  locate,

•  nose out,

•  root (out),

•  rout (out),

•  rummage,

•  run down,

•  scare up,

•  scout (up),

•  track (down),

•  turn up

•  Antonyms : 

•  miss,

•  overlook,

•  pass over