1
discover (v.)
find something or someone unexpectedly or in the course of a search
2
invention (n.)
the action of making something
3
investigate (v.)
carry out research or study so as to discover facts or information
4
locate (v.)
discover the exact place or position of
5
mystery (n.)
something that is difficult or impossible to understand or explain
6
previous (adj.)
existing or occurring before in time or order
7
prove (v.)
demonstrate the truth or existence of something by evidence or argument
8
reputation (n.)
the beliefs or opinions that are generally held about someone or something
9
retire (v.)
leave one's job and cease to work
10
solve (v.)
find an answer to, explanation for a problem or mystery