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1.
Digesting an interesting idea/issue with the mind/thought.
Hey, that cool idea of yours the other day has been good food for thought.
by adiapalic August 20, 2006
 
2.
Learning new information that you never thought was important to think about. It enables you to have a greater intelligence in every aspect of life while feeding your mind.
Here is some food for thought....."Hurt people, hurt people." Think about it. #foodforthought
by beezy0604 January 24, 2014
 
3.
Any type of digestible food that can result in a person's thinking.
Nutritious foods can be considered food for thought.
by Pokerjuicers November 27, 2006