Definition of making noun from the Oxford Advanced Learner's Dictionary

making

noun
ˈmeɪkɪŋ
 
; ˈmeɪkɪŋ
 
 
[uncountable] making (of something) (often in compounds) the act or process of making or producing somethingstrategic decision makingfilm-makingdressmakingtea and coffee making facilitiesthe making of social policy see also haymaking, non-profit
Idioms

be the making of somebody

to make somebody become a better or more successful person
University was the making of Joe.

have the makings of something

to have the qualities that are necessary to become something
Her first novel has all the makings of a classic.He has the makings of a first-rate lawyer.

in the making

in the process of becoming something or of being made
This model was two years in the making.These events are history in the making.

of your own making

(of a problem, difficulty, etc.) created by you rather than by somebody/something else