All corollary antonyms

noun corollary

• commencement — The commencement of something is its beginning.
• source — any thing or place from which something comes, arises, or is obtained; origin: Which foods are sources of calcium?
• beginning — The beginning of an event or process is the first part of it.
• opening — an open or clear space.
• start — to begin or set out, as on a journey or activity.
• cause — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
• foundation — the basis or groundwork of anything: the moral foundation of both society and religion.
• origin — something from which anything arises or is derived; source; fountainhead: to follow a stream to its origin.