Wonderful start to analysis – our team then associated with mass and energy (7)
I believe the answer is:
awesome
'wonderful' is the definition.
(thesaurus)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for awesome that I've seen before include "Hugely impressive, creating fear and wonder" , "Generating fear and wonder" , "Really excellent" , "Inspiring reverential respect" , "Extraordinary" .)