Crossword Clue:

to learn or improve

AnswerCrossword Clue
REVERSEENGINEERTake apart (a device) in order to improve on or copy
ROPESSomething to learn or know
SEEKTry to learn or discover.
EMENDCorrect or improve
GATHERLearn or infer from observation.
KILLHIM"I'll learn him or ...": Twain
ILL"... learn him or kill him": Twain