Theorie:
In order to describe the character of friends and family members, you should know the proper vocabulary.
Polite - behaving in a way that is socially correct and shows understanding of and care for other people's feelings
Calm - peaceful, quiet, and without worry
Serious - not joking or intending to be funny
Reliable - someone or something that is reliable can be trusted or believed because he, she, or it works or behaves well in the way you expect
Patient - having patience
Neat - tidy, with everything in its place
Brave - showing no fear of dangerous or difficult things
Honest - telling the truth or able to be trusted and not likely to steal, cheat, or lie
Helpful - willing to help, or useful
Clever - having or showing the ability to learn and understand things quickly and easily
Intelligent - showing intelligence, or able to learn and understand things easily
Friendly - behaving in a pleasant, kind way towards someone
Funny - humorous; causing laughter
Talkative - talking a lot
Cheerful - happy and positive
Examples:
Be patient with her - she's very young.
Richards has made a brave attempt to answer his critics.
She's completely honest.
She's a lively, talkative person.
Quellen:
http://dictionary.cambridge.org