assessment

direct tax, personal tax

capitation, custom(s), excise, hidden tax, income tax, poll tax, property tax, sales tax, single tax, sin tax, tariff, toll, tribute, value-added tax, withholding tax

supertax, surcharge, surtax

death tax, estate tax, inheritance tax

flat tax, proportional tax

aperçu, feeling, impression, notion, perception

confidence, faith, stock, trust

belief, conviction, mind, persuasion, sentiment, view

conjecture, guess, hunch, hypothesis, surmise, theory

calculation, computation, measurement, mensuration

audit, check, checkup, examination, inspection, review, scan, scrutiny, survey

reassessment, transvaluation

overestimation, overevaluation

underestimation