Is someone who has morals and integretty
I believe you are looking for a school of philosophy instead of psychology. That belief is called emergence and more specifically, the idea of the whole being larger than the sum of its parts is a characteristic of an idea called strong emergence.
Lebensraum was fundamental to his whole belief system-obtaining land for Germany's "master race"
Some do.. im always called emo at my school, and i have a strong belief in god and i am a strong christian. :)
Belief is an idea. It is not something you can see, feel (with hands or other objects), or do.
This belief is called Pragmatism
The belief in reincarnation doesnt have a name for itself, this belief is a central idea in a majority of Indian religious traditions: Hinduism, Jainism, Sikhism, and Buddhism. The idea is also fundamental with some Greek philosophers and religions as well as other religions such as Druidism, Spiritism, and Eckankar. And the belief of reincarnation is world wide.
what does it mean an idea or belief having no logical reason
If you do it intentionally, it's called glue sniffing, and it is definitely NOT a good idea.
from tullulla :~)
That is called a stereotype. Also, a generalization, but that one doesn't really convey the idea of exaggeration.
A strong belief in oneself is sometimes referred to as confidence. Someone who has confidence can also be said to be actualized.
Like all symbols of belief systems it is as strong as your belief in it.