Bold design begins with a call (6)
I believe the answer is:
daring
'bold' is the definition.
(thesaurus)
'design begins with a call' is the wordplay.
'begins with' suggests taking the first letters (I've seen 'begin with' mean this).
'call' becomes 'ring' ('ring' can be a synonym of 'call'**).
The first letter of 'design' is 'd'.
'd'+'a'+'ring'='DARING'
(Other definitions for daring that I've seen before include "Audacious, bold" , "Take (control)" , "Bold and reckless" , "Derring-do" , "Venturesome" .)