Hone
Whet, Fine-tune, Enhance.
Formidable
Virtuoso, Menacing.
Remuneration
Recompense, Reimbursement.
Ramification
Aftermath, Upshot, By-product.
Contingent
Cohort, Deputation.
Eloquent
Articulate, Persuasive, Potent.
Diabolical
Fiendish, Infernal, Demonic.
Estimation
Approximation, Guesstimate.
Proffer
Propound, Feature.
Flinch
Cringe, Contract, Quail.
Rampant
Riotous, Profuse, Exuberant.
Benefaction
Advantage, Grant, Donation.
Almanac
Yearbook, Manual.
Dismal
Lethal, Bleak, Glum, Weary.
Upheaval
Upthrust, Disruption, Debacle.
Foist
Indite, Impose on.
Incongruous
Discordant, Outlandish.
Sovereign
Paramount, self-ruling or self-sufficient
Dispensation
Exoneration, Reprieve.
Amalgamation
Coalescence, Synthesis.
Stride
March, Pace.
Precipitate
Instigate, Expedite, Hasten, Inflict.