Clue: Movement as follows lion stopped by head of zookeepers (7)
Answer: SCHERZO
Explanation: Movement as follows lion stopped by head of zookeepers (7)
An envelope ('stopped by') of Z ('head of **Z**ookeepers') in SC (an abbreviation, not given in Chambers but it is in Collins online, of scilicet, meaning namely, 'as follows') plus HERO ('lion').