Definition of understanding

• the cognitive condition of someone who understands; "he has virtually no understanding of social cause and effect"
• the statement (oral or written) of an exchange of promises; "they had an agreement that they would not interfere in each others business"; "there was an understanding between management and the workers"
• an inclination to support or be loyal to or to agree with an opinion; "his sympathies were always with the underdog"; "I knew I could count on his understanding"