General:
* Facet: This is a very common synonym, implying a specific side or part of something.
* Feature: This emphasizes a distinctive characteristic or trait.
* Side: This is a simple and direct synonym.
* Phase: This refers to a stage or period in a process.
* Angle: This suggests a particular viewpoint or perspective.
* Dimension: This emphasizes a specific dimension or element.
* Perspective: This highlights a way of looking at something.
More specific:
* Appearance: This emphasizes how something looks.
* Character: This suggests a defining quality.
* Nature: This emphasizes the inherent qualities of something.
* Quality: This emphasizes a specific attribute.
Examples:
* Aspect: The most important aspect of the project is its cost-effectiveness.
* Facet: One facet of her personality is her sense of humor.
* Feature: A key feature of this software is its user-friendliness.
* Angle: We need to look at the problem from a different angle.
* Dimension: The emotional dimension of the story is deeply moving.