Assume refers to something that you suppose to be true, without having proof.
To consider something true without concrete proof.
state or assert that something is the case, typically without providing evidence or proof
Suppose means to assume that something is the case on the basis of evidence or probability but without proof or certain knowledge.
To believe something is to hold an opinion that it is true.
Reported without proof
Believing in something means having faith or confidence in its truth or existence, often without concrete proof. It involves trusting in the validity of an idea, concept, or belief system.
declared, but without proof to judge some one without having proof
Faith means believing in something without proof. Good means positive. So it means someone believed in something based on positive faith. You might hear someone say this phrase if they are told something but not given any proof. "I took it in good faith that Don was an honest man."
proof that you have or have done something. An indication, usually physical.
Something suggested or assumed as proof for reasoning, discussion or belief.
Something suggested or assumed as proof for reasoning, discussion or belief.