1) Boisterous – (used about a person or behaviour)  noisy or full of energy

 There children are very nice but they can get a bit too boisterous.

 2) Brainchild – the idea or invention of particular person

 The museum is the brainchild of a wealthy art collector.

 3) Broach – to start talking about particular subject which is embarrassing

 How will you broach the subject of money he owes us?

 4) Cajole – to persuade a person to do something

 He cajoled me into agreeing to do work.

 5) Callous – not caring about the feeling or suffering of other people

 Do not be so callous , so some sympathy to him.

 6) Obdurate – refusing to change your mind to do what people want you to do

 He has failed to move with the time because of his obdurate attitude.

 7) Camaraderie – a feeling of friendship or trust among the people who work together

 A sprit of camaraderie is not seen among the people from the same fraternity.

  8) Canon – widely accepted rule , or list of books that are genuine

 The Shakespeare canon