Turning point (5)

'turning point' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for hinge that I've seen before include "Door support" , "door open because of this?" , "Device for letting door etc swing" , "Part of a door" , "hang" .)
'turning point' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for pivot that I've seen before include "Fulcrum" , "Turning pin" , "Point about which something turns" , "Swivel" , "Key figure" .)
'turning point' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for crisis that I've seen before include "time of distress" , "unstable period" , "Crucial stage or turning point" , "Decisive or critical moment" , "A decisive or dangerous time" .)
'turning point' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for cusp that I've seen before include "Pointed meeting of curves" , "Pointed end - division between signs of the zodiac" , "Point where two curves meet - point of transition" , "Point formed by two intersecting curves - point of transition" , "Pointed end (e.g. on tooth)" .)
'turning point?' is the definition.
(a rotating part of a machine or vehicle)
This is all the clue.
(Other definitions for axle that I've seen before include "Rod at centre of wheel" , "Rotating spindle" , "Rotating shaft" , "wheel section" , "Shaft on which wheels rotate" .)
'turning point?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for axis that I've seen before include "Imaginary centre of rotation" , "(Rotational?) alliance of powers" , "from Germany and Italy, originally" , "wartime alliance" , "Imaginary line around which a body rotates" .)
(Other definitions for fulcrum that I've seen before include "place to get a purchase!" , "Pivotal point" , "prop" , "Pivot on which a lever moves" , "Pivot about which a lever turns" .)
'turning point' is the definition.
(synonyms)
This is all the clue.
(Other definitions for landmark that I've seen before include "cairn, possibly" , "Definitive event" , "Easily identifiable monument, for example" , "Momentous event" , "historic event" .)
'turning point' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for watershed that I've seen before include "Dividing ridge between two rivers" , "Turning-point in course of events, or catchment area" , "Line of high land from which streams flow in opposite directions" , "Ridge with streams on each side, a turning-point" , "dividing line" .)