determine

verb

1. To set the boundaries or limits of.
2. To ascertain definitely; to figure out, find out, or conclude by analyzing, calculating, or investigating.
3. To fix the form or character of; to shape; to prescribe imperatively; to regulate; to settle.
4. To fix the course of; to impel and direct; with a remoter object preceded by to.“The news of his father's illness determined him to depart immediately.”