Rising or emerging out of a fluid or anything that covers or conceals; issuing; coming to light. [1913 Webster]
"The mountains huge appear emergent." [1913 Webster]
Suddenly appearing; arising unexpectedly; calling for prompt action; urgent. [1913 Webster]
"Protection granted in emergent danger." [1913 Webster]

Emergent year (Chron.), the epoch or date from which any people begin to compute their time or dates; as, the emergent year of Christendom is that of the birth of Christ; the emergent year of the United States is that of the declaration of their independence.

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OXFORD DICTIONARY

emergent, adj.
1 becoming apparent; emerging.
2 (of a nation) newly formed or made independent.

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THESAURUS

emergent

approaching, arising, charged, climacteric, coming, critical, crucial, decisive, desired, destinal, destined, determined, emanating, emanative, emanent, emerging, eventual, exigent, extrapolated, fatal, fated, fatidic, forthcoming, future, futuristic, hereafter, hoped-for, imminent, issuing, kairotic, later, loaded, nearing, pivotal, planned, plotted, predicted, pregnant, probable, projected, prophesied, prospective, surfacing, to come, to-be, transeunt, transient, ultimate

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