Obtained (3)
'obtained' is the definition.
('get' can be a synonym of 'obtain')
This is the entire clue.
(Other definitions for got that I've seen before include "Landed" , "Received; understood" , "Caught" , "came by" , "Acquired" .)
'obtained' is the definition.
(deriving is a kind of obtaining)
This is the entire clue.
(Other definitions for derived that I've seen before include "Formed or developed from something else" , "Inferred" , "Traced the source" , "Obtained/drawn (from)" , "Procured" .)
'obtained' is the definition.
('secure' can be a synonym of 'obtain')
This is all the clue.
(Other definitions for secured that I've seen before include "Gained" , "Rescued (anag.)" , "Protected" , "Made safe or fastened safely" , "attached to lead?" .)