Geodetics is the study of the Earth's shape, size, and gravity. It is a branch of science that deals with the measurement and mapping of the Earth's surface. Some synonyms for the word geodetics include geodesy, geomatics, and surveying. Geodesy refers to the scientific study of the Earth's size, shape, and gravity field, while geomatics is the discipline that combines geodesy, cartography, and computer science to produce maps and geographical information systems. Surveying, on the other hand, is the technique of measuring and mapping the Earth's surface using mathematical principles. These synonyms for geodetics emphasize the importance of accuracy and precision in mapping the Earth's surface.