relevance, relevancy - the relation of something to the matter at hand

quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare

concreteness - the quality of being concrete (not abstract)

palpability, tangibility, tangibleness - the quality of being perceivable by touch

substantiality, substantialness - the quality of being substantial or having substance

reality - the quality possessed by something that is real