ad. Music. The notation indicating to play in an expressive manner. Expressively.
the GNU version of the Collaborative International Dictionary of English
adj. With expression.
The Century Dictionary and Cyclopedia
In music, expressive: noting a passage to be rendered with ardent expression.
Word Usage
"Beethoven is the only composer in history who writes first espressivo [with expression] and then a tempo [resume the tempo]—it's in his Piano Sonata, Opus 109."