Decorated column found in wasteland (5)
I believe the answer is:
stela
'decorated column' is the definition.
'stela' can be an answer for 'column' (I have seen 'Ancient column' mean 'stela' so perhaps 'column' could also mean 'stela'). I am not sure about the 'decorated' bit.
'in wasteland' is the wordplay.
'in' indicates the answer is hidden within the clue.
'STELA' is hidden within 'wasteland'.
'found' acts as a link.
Can you help me to learn more?
(Other definitions for stela that I've seen before include "Standing stone" , "Ancient column" , "Upright stone slab" , "Stone tablet" , "Inscribed column" .)