The word "desecrative" refers to something that violates or profanes a sacred place, object, or idea. Antonyms for this word would include terms such as "reverential," "respectful," "devotional," and "sacrosanct." Alternatively, one could also use words such as "sacred," "hallowed," or "consecrated" to convey the opposite meaning to that of desecrative. When referring to actions that do not harm or damage sacred things or spaces, synonyms such as "preserving," "honoring," or "upholding" could also be used. By utilizing these antonyms, one can effectively convey a sense of respect and reverence towards things that are considered holy or sacred.