Unequivocal

No doubt, certain

Palpable

Literally; touchable; often used to describe a feeling

Watershed

A critical turning point

Galvanize

Energize; Spur into action

Prodigous

Enormous

Imposing

Large and impressive

Irrevocable

Unable to be changed or undone

Contingent

Dependent on; subject to

Infinitesimal

Extremely small; approaching zero

Multifaceted

Having many aspects