Confidence.
No. An antonym is a word that means the opposite of another word. A homonym is a word that sounds the same as another word, but means something different.
That would be a falsehood.
Fiction
One answer is: Polish (the country) and polish (for shoes/ nails)
A homophone for the word "meet" is "meat". The former means something along the lines of congregating, or a competition. The latter is flesh of an animal.
Con
I believe you are spelling it correctly. It sounds like you are using the word to mean 'plumb', or perfectly vertical, or perfectly oriented with gravity. That is one sense of the word true. It is the same spelling as in not being false.
The word that means true or actual is "genuine." It signifies authenticity and reality, distinguishing something that is real from what is false or counterfeit. Another synonym is "veritable," which also conveys the idea of being true or real.
There is no such word as beleive. However "Believe" means to think that something is true or correct
The Hebrew word "beguiled" means to deceive or trick someone into believing something that is not true.
what is another word for something accepted as true