Formal:
* Evident: This is a good general synonym, meaning clearly seen or understood.
* Obvious: This emphasizes the ease of seeing or understanding something.
* Manifest: This implies something is clearly visible or easily recognized.
* Plain: This suggests something is simple and easy to understand.
* Clear: This implies no ambiguity or doubt.
* Visible: This focuses on something being able to be seen.
* Noticeable: This highlights something that stands out or draws attention.
* Palpable: This emphasizes that something is easily felt or perceived.
Informal:
* Clear as day: This emphasizes the ease of understanding something.
* Plain to see: This suggests something is obvious and not difficult to understand.
* Right there in front of you: This highlights something being easily observable.
* Jumping out at you: This suggests something is very noticeable.
Other Options:
* Seemingly: This suggests something appears to be true but may not be.
* Presumptive: This implies something is assumed to be true based on limited evidence.
* Superficial: This implies something is only apparent on the surface.
The best synonym will depend on the specific context of your sentence.