the ability to understand something; comprehension

foreign visitors with little understanding of English

sympathetic awareness or tolerance

he wrote with understanding and affection of the people of Dent

an informal or unspoken agreement or arrangement

he and I have an understanding

he had only been allowed to come on the understanding that he would be on his best behaviour

sympathetically aware of other people's feelings; tolerant and forgiving

a kind and understanding man

people expect their doctor to be understanding

having insight or good judgement

perceive the intended meaning of (words, a language, or a speaker)

he didn't understand a word I said

he could usually make himself understood

she understood what he was saying

interpret or view (something) in a particular way

as the term is usually understood, legislation refers to regulations and directives

be sympathetically or knowledgeably aware of the character or nature of

Picasso understood colour

I understand how you feel