explain

verb5

1. •
   to tell or show what something means, so that it becomes clear to someone

   • The issue was explained to the governor in detail.
2. •
   To make something plain or intelligible.

   • She tried to explain but he wouldn’t listen.
3. •
   To give the reason for, justification for, or cause of.
4. •
   (no longer used) To make flat, smooth out.
5. •
   (no longer used) To unfold or make visible.

   • April 14, 1684, John Evelyn, a letter sent to the Royal Society concerning the damage done to his gardens by the preceding winter The horse-chestnut is […] ready to explain its leaf.