noun, noun or participle which takes 'suru', transitive verb
determination; resolution; making up one's mind
Refers to a firm decision or resolve, often after deliberation. Commonly used with する to mean 'to decide firmly' or 'to make up one's mind'.
彼は留学する決心をした。
He made up his mind to study abroad.
なかなか決心がつかない
I just can't make up my mind.