1. To be very high off the ground; to be a very long distance from top to bottom of an upright object; to be very important in society, in business, or any organisation.
2. To go upwards, to become higher and higher off the ground or some other point of reference; to become very important and powerful in society, in business, or any kind of organisation.
3. Of angels, spirits and people, to go to or return to heaven, to ascend to heaven. Often used as a polite or euphemistic sign for 'die'. Euphemistic English = pass away, gone to meet one's maker.
4. In a building, to go up to or to be located at a higher floor. English = go upstairs, (be) upstairs.