determined
adjective
characterized by great determination
“a struggle against a determined enemy”
having been learned or found or determined especially by investigation
Oppositesundetermineddevoting full strength and concentrated attention to
“made continued and determined efforts to find and destroy enemy headquarters”
determined or decided upon as by an authority
“date and place are already determined”
“the dictated terms of surrender”
strongly motivated to succeed
Source: WordNet 3.1, Princeton University