Descend (6)
'descend' is the definition.
(climbing down is a kind of descending)
This is all the clue.
(Other definitions for climb down that I've seen before include "Potholers have to" , "A retreat from previous position - descend carefully" , "Become more humble" , "U-turn" , "Retreat from a previously held position" .)
'descend' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for lower that I've seen before include "of lesser status" , "Jersey perhaps" , "put down" , "Reduce" , "Let down, being inferior" .)
'descend' is the definition.
(I know that descend can be written as fall)
This is all the clue.
(Other definitions for fall that I've seen before include "Rapid descent" , "A season in the US" , "once a year for this" , "What Americans call autumn" , "What tripper risks" .)
'descend' is the definition.
(alighting is a kind of descending)
This is all the clue.
(Other definitions for alight that I've seen before include "Leave a vehicle - burning" , "Dismount" , "Brilliant" , "Burning; descend" , "Disembark, land" .)