Cases of word usage

1) the arrival of an important event etc (advent)

2) a sudden change from something exciting or important to something much less exciting or important (causing disappointment) (anticlimax)

3) the academic subjects, areas of study, in which imagination and personal appreciation are more important than exact measurement and calculation (arts)

4) forming, of, the main, most important or useful part (basic)

5) most important (cardinal)

6) to do something to show that (a day or an invent) is important or an occasion for rejoicing (celebrate)

7) most important (chief)

8) a large and important town (city)

9) something in which one is interested or which is important (concern)

10) to promote (a person, job) to a higher o more important position (elevate)