make or become more narrow or restricted | reach, make, or come to a decision about something |
become tight or as if tight | fix conclusively or authoritatively |
become more focused on an area of activity or field of study | shape or influence; give direction to |
define clearly | fix in scope; fix the boundaries of |
| establish after a calculation, investigation, experiment, survey, or study |
| find out, learn, or determine with certainty, usually by making an inquiry or other effort |
| decide upon or fix definitely |
| settle conclusively; come to terms |