Began (9)
'began' is the definition.
('start' can be a synonym of 'begin')
This is the entire clue.
(Other definitions for started that I've seen before include "showed surprise" , "Originated" , "kicked-off" , "Began, jumped" , "Began; flinched" .)
'began' is the definition.
(opening is a kind of beginning)
This is the entire clue.
(Other definitions for opened that I've seen before include "Afforded access" , "unwrapped" , "Unfastened or moved a barrier" , "Turned key and unlocked" , "Undid, a parcel say, or began proceedings" .)
'began' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for initiated that I've seen before include "Those admitted into the mysteries" , "Accepted into a group by way of a ritual" , "Begun" , "Started" , "Began" .)
'began' is the definition.
('commence' can be a synonym of 'begin')
This is all the clue.
(Another definition for commenced that I've seen is " Begun".)