Elevation, or geometric height, is mainly used when referring to points on the Earth 's surface, while altitude or geopotential height is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit, and depth is used for points below the surface.
disquiet - disturb in mind or make uneasy or cause to be worried or alarmed; She was rather perturbed by the news that her father was seriously ill Synonyms: cark, disorder, perturb, unhinge, distract, trouble
We shall face the future as our ancestors would have faced it, without disquiet, without arrogance, but in solid and inflexible determination. The rulers of the provinces shared these views; the consequence was disquiet and confusion throughout the empire. Similarly, though like other men he will be subject to bodily pain, this will not cause him mental grief or disquiet, as his worst agonies will not disturb his clear conviction that it is really indifferent to his true reasonable self.