Decisive and Formative

Decisive adjective - Fully committed to achieving a goal.

Formative and decisive are semantically related In some cases you can use "Formative" instead an adjective "Decisive".

Nearby Words: decide, decision, decisively, deciding, decisiveness

Formative adjective - Having a role in deciding something's final form.

Decisive and formative are semantically related in determining topic. You can use "Decisive" instead an adjective "Formative", if it concerns topics such as influential.

Nearby Words: formal, formation, format, formated, formating