People are more likely to be influenced by an individual they trust. Build a reputation for trustworthiness by speaking from a position of knowledge, keeping your promises, supporting others when they are in difficulty, and working through differences.
Remember that people respond well to honesty and courtesy.
When you know your subject area well, others will pay attention to what you say. Knowledgeable people breed confidence. Recognize that the more answers you have to questions, the more people will come to you when they need advice. Knowledge on a smaller scale is also useful when you are holding meetings. Brief yourself thoroughly on every issue that is to be discussed. Be ready to take the ...