Though it is an incorrect spelling of Philosophical, it is a better spelling of the word.
Yo bro, you want to have a philosophal conversation?
A person who abstains from marriage and sexual relations.
Yo man, did you hear about John? Dude is a straight up celibal now!
A person who vows to abstain from marriage and sexual relations.
Did you hear about Saint John? Dude is an absolute celibal!