Formal and Systematic

Formal adjective - Following or agreeing with established form, custom, or rules.

Systematic is a synonym for formal in methodical topic. In some cases you can use "Systematic" instead an adjective "Formal", when it comes to topics like established, orderly, symmetrical.

Nearby Words: form, formality, formalize, formalise, formative

Systematic adjective - Following a set method, arrangement, or pattern.

Formal is a synonym for systematic in methodical topic. You can use "Formal" instead an adjective "Systematic", if it concerns topics such as orderly, structured.

Nearby Words: system, systematize, systematise, systematically, systematical