Pivotal (adj)
piv-ot-al
Of crucial importance in relation to the development or success of something else.
Late Middle English from French, probably from the root of dialect pue ‘tooth of a comb’ and Spanish pu(y)a ‘point’. The verb dates from the mid 19th century.
Example sentences
“He was pivotal in instigating the reaction.”
Medley (noun) med-lee a mixture, especially of heterogeneous elements; hodgepodge; jumble. First recorded in 1300–50; Middle English noun and adjective medle(e), medlei(e), maedlai(e) “battle, war, quarrel; mixture, balanced mixture,” from…
