Faith is a belief, trust, or confidence, not based merely on logic, reason, or empirical data, but based fundamentally on volition often associated with a transpersonal relationship with God, a higher power, a person, elements of nature, and/or a perception of the human race as a whole. Faith can be placed in a person, inanimate object, state of affairs, proposition or body of propositions such as a Credit. Faith is distinct from hope in that faith is typically general, rather than specific to an aspect, and in contrast to a "false hope" in a fantasy, the object of faith typically transcends what can be proven scientifically and sometimes exceeds what can be objectively defined.

Faith can mean believing unconditionally. It can be acceptance of something that one has been told by one who is considered trustworthy. Faith, by its very nature, requires belief outside of known fact. Faith is formed through instinct, intuition, meditation, communing with nature, prayer, or perceived usefulness of a belief system. The raison d' etre for faith seems to lie in the fact that to some who have attained to a sufficient depth of it, it 'works' in lieu of, or even in addition to, rational reason, logic and science. In other words, faith and reason to some are 'inimical' while, to some others, both work in their respective spheres and in particular sets of circumstances. It is thus that we have scientists on the one hand - including for example top notch ones such as Erwin Schrodinger, Wernher von Braun, Albert Einstein - and religious and spiritual masters, on the other, who hold that faith and reason will both be necessary in order to comprehend reality in all its mystery, since reason is necessarily conditioned by just the four dimensions of space (comprising three dimensions as its elements) and time (one dimension) and as such rational reasoning, or faith, alone can only scratch the surface of reality. Those who understand limitations of reasoning point out that the mere knowledge of the micro organisms and the macro cosmos through science and application of engineering and technology, will never be able to satisfy the deepest urges of human curiosity and wonderment, and even be sufficient for ensuring the survival and thriving of countless species of organic beings.

Although faith has generated many roots in religion, it is not necessarily a religious word and is not exercised solely in God and god alone, but can apply to any situation where judgments are made irrespective of evidence.

Faith in something means to have experience with that something and then, due to this experience, judging and concluding so that you can predict an action of this something in a positive way. So for example a sister may leave the house for university, she returns in three years time to find her sister has not opened her diary which she explicitly asked her not too, even though her sister had every opportunity to open it without her knowledge or consent. The older sister would now have faith in the younger sister, judging by that experience she concludes that she can predict that anything else she trusts with here sister is safe. This is faith.