pivotal
//ˈpɪv.ə.təl//
Adjective
pivotalCanonical form
more pivotalComparative
most pivotalSuperlative
1
Of crucial importance in relation to the development or success of something else.
She played a pivotal role in the success of the project.
2
Relating to or acting as a pivot; serving as a central point around which other things turn or depend.
The main gear acts as the pivotal point of the entire mechanism.