To raise to a more desirable or more excellent quality or condition; make better.intransitive verb
To increase the productivity or value of (land or property).intransitive verb
To become better.intransitive verb
To make beneficial additions or changes.
To disapprove; censure; blame.
To approve; prove; test.
To disprove; prove false; refute.
To make better; ameliorate the condition of; increase in value, excellence, capability, estimation, or the like; bring into a better, higher, more desirable, or more profitable state: as, to
To turn to advantage or account; use profitably; make use of: as, to
To increase in force or amount; intensify in any respect.