Marvelous

Suits a strong visual or emotional impact that stops attention

Careful Do not choose it for quiet excellence that was not surprising or dramatic.

Suits energetic approval in casual speech

Careful Because it is often used loosely, it may not support a precise evaluation.

Fits when the main effect is pleasure, charm, or enjoyment

Careful It is too gentle for a result whose importance matters more than its pleasantness.

Suits broad, sincere delight that fits people, news, and experiences

Careful Its familiarity may be too mild when you need to identify exceptional craft or performance.

Fits when high quality can be stated plainly and credibly

Careful Excellent is cooler and less expressive in a celebratory personal message.

Fits when something deserves notice because it is unusual or impressive

Careful Remarkable is observational rather than joyful, so it can cool a warm compliment.

Fits when skill or quality is at the top of its class

Careful Superb fits performance better than a kind but modest everyday gesture.

Suits polished, wholehearted praise with a slightly traditional tone

Careful It can sound affected in an ordinary workplace sentence.