What is the correct spelling for SIONIAC?

If you meant "sioniac" but actually wanted to write "cynosure", you're on the right track! Cynosure refers to something that is the main focus of attention or admiration. It perfectly describes a prominent or pivotal figure. So, next time, remember to use "cynosure" instead of "sioniac" for greater precision and clarity.

Correct spellings for SIONIAC