Noun
1. a power to affect persons or events especially power based on prestige etc;
"used her parents' influence to get the job"2. causing something without any direct or apparent effort
3. a cognitive factor that tends to have an effect on what you do;
"her wishes had a great influence on his thinking"4. the effect of one thing (or person) on another;
"the influence of mechanical action"5. one having power to influence another;
"she was the most important influence in my life""he was a bad influence on the children"