Formal:
* Suitably: This implies something is fitting or adequate for the situation.
* Properly: This emphasizes doing something correctly or according to established standards.
* Accurately: This focuses on precision and being free from errors.
* Fittingly: This suggests something is particularly well-suited or harmonious.
* Aptly: This emphasizes being appropriate and relevant to the situation.
* Due: This emphasizes being required or expected.
* Befitting: This emphasizes something being worthy or deserving.
Informal:
* Right: This is a simple and straightforward way to say something is appropriate.
* Correct: This is similar to "right", but with a stronger emphasis on accuracy.
* Proper: This is a more formal version of "right" or "correct".
* Okay: This is a casual way to say something is acceptable.
* Fine: This is another casual way to say something is acceptable.
* Suitable: This emphasizes something being suitable or fitting.
* Perfect: This implies something is ideal or completely appropriate.
Other:
* In line with: This emphasizes something being consistent with expectations or standards.
* In keeping with: This emphasizes something being compatible with a particular style or theme.
* Commensurate with: This emphasizes something being proportionate or balanced.
Example sentences:
* Formal: "The guests were dressed suitably for the formal occasion."
* Informal: "It's okay to wear jeans to the party."
* Other: "The donation was commensurate with the needs of the organization."
The best word to use will depend on the specific context and the tone you want to convey.