What is the meaning of the word "acquire"?

Definitions:

to come into the possession of something concrete or abstract verb
- I acquired a new car.
to come to have or undergo a change of physical features and attributes verb
- I acquired a beard.
to gain through experience verb
- I acquired a strong aversion to television.
to locate a moving entity by means of a tracking system such as radar verb
- They acquired the target and prepared to fire the missiles.
to take on a certain form, attribute, or aspect verb
- They acquired excellent style abroad.
to win something through one's efforts verb
- I acquired a passing knowledge of Chinese.