determining

establish after a calculation, investigation, experiment, survey, or study;
shape or influence; give direction to;
fix conclusively or authoritatively;
decide upon or fix definitely;
reach, make, or come to a decision about something;
fix in scope; fix the boundaries of;
settle conclusively; come to terms;
find out, learn, or determine with certainty, usually by making an inquiry or other effort;
having the power or quality of deciding;

determining is a valid Scrabble (US) TWL word

determining is a valid Scrabble Word in Merriam-Webster MW Dictionary

determining is a valid Scrabble Word in International Collins CSW Dictionary

determining is a valid Words With Friends word