agogic
/ˈæɡ.ɒɡɪk/Definitions
1. adjective
relating to or characteristic of an agogic accent or increase in tempo, or of a gradual increase in tempo.
“The conductor carefully planned the agogic accents to create a dramatic effect in the performance.”
2. noun
a gradual increase in tempo, especially in music.
“The music’s agogic created a sense of urgency and excitement as the tempo picked up.”