Greet people with great affection : Make a good eye contact, bring a natural smile and shake hands with people at first hand. So as to convey your smiling temperament to them.

Take time to make a small talk : Make your efforts to show your interest in the conversation with people. Don't stand blank as it indicates uninteresting factor of yours.

Try to remember things about the other person : Using their spouse's name, remember their birthday, and other special events you both shared helps in gaining good impact on others.

Try to use please and thank you : That childhood teaching is being avoided by many though these are the words which helps in gaining good trust of others. Also it indicates your moral values.

Praise and raise your opinions in polite manner. Don't give judgemental statements rather say "In my opinion or according to me" to suggest someone something. But before this try to praise the idea of person with one or two praising words. 

Read More at : answers.mindstick.com