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
[intransitive] acquiesce (in/to something) (formal) to accept something without arguing, even if you do not really agree with it Senior government figures must have acquiesced in the cover-up. She explained her plan and reluctantly he acquiesced.