Faith from my point of view can mean belief in things hoped for, the trust on things you have not seen but believe in its reality. It can also be said to be the assurance of things we always hoped for, and the belief or the trust in what we can not see. It is always exercised toward God and it means so much trust in what you want that you don’t need any explanation or justification from anywhere for and you will not need to doubt or investigate. It is believing in something and having abslolute trust in it’s manifestation. We can always have the belief that something good will show up afterward, after working hard or being a good person. it can also be called believing in yourself or in your ability to do a certain task and I think the main idea is something greater than this world. It can also be positive thinking, hope, and confidence in our expectations. sometimes when we have a problem, we always want an assurance or confidence in solution to a problem and that is where we apply faith, so I will say faith is to have confidence and assurance to the healing of our problems.
looking at it critically, I would say it is having trust and believing in what you have not seen or sure of, just like the quotation which says ” But let him ask in faith, nothing wavering for he that wavers is like a wave of the sea driven with the wind and tossed”, “for let, not that man think that he shall receive anything of the Lord. A double minded person is unstable in all his ways.” so having faith is an effort to believe in that which your common sense might tell you it’s not true. It can also be called allegiance to a course or a person.
In summary faith is :
Believe that is not based on proof
Belief in God or in doctrines or teachings
Belief in anything as a code of ethics or standards of merit.