greatly

This term carries a weight of formality and gravity, often appearing in academic, professional, or official reports. It suggests a measurable or observable shift in state rather than a mere emotional feeling. When a speaker says something is greatly improved, they are typically referring to a substantial, systemic change. Compared to "very much" or "a lot," which are common in casual speech, "greatly" creates a distance between the speaker and the subject, lending an air of objectivity and prestige to the statement. It is rarely used in intimate or highly informal settings, as it can sound stiff or overly dramatic in a casual conversation.