The word "reason" refers to a cause or an explanation for something. Some synonyms for "reason" are motive, ground, and justification.
A motive is what drives a person to act. It can be seen as a form of reason for one's actions. For example, a person might have a motive of helping others, which is a reason for their volunteer work.
Ground implies a basis or foundation for an argument or action. It provides a solid reason for believing or doing something. When presenting an opinion, one might offer grounds to support it.
Justification is a more formal term that means a valid reason or excuse. It is often used when defending an action or decision. If someone is questioned about their choice, they might provide a justification to explain why they did what they did.
In literature and philosophy, the concept of reason is often explored. For instance, in a novel, a character's actions might be driven by a particular reason or motive. In philosophical discussions, reason is considered one of the key faculties of the human mind, used to make sense of the world and make decisions.
Overall, these synonyms for "reason" offer different nuances and perspectives on the concept of having a cause or explanation for something. They enrich our language and help us express our thoughts and ideas more precisely.