annul, avoid, invalidate, nullify, quash, vitiate, void

verify, reinforce, demonstrate, authenticate, evaluate, affirm, refine, analyze, disprove, solidify, define, confirm, correlate, reaffirm, reconfirm, refute, substantiate, legitimize, vindicate, underscore, optimize, corroborate, invalidate, prove, establish, debunk, negate, duplicate, calibrate, assess, identify, elucidate, parameterize, underpin, parallelize, undermine, certify, incorporate, standardize, quantify, obviate, deconstruct, assert, underline, enhance, characterize, contradict, align, undercut, determine, illustrate, interpret, delineate, reanalyze, test, initialise, justify, buttress, enable, accelerate, dispel, replicate, maximize, undergird, quantitate, reflect, obtain, automate, crystallize, integrate, recognize, stratify, augment, configure, encapsulate, summarize, amplify, clarify, fabricate, bolster, initialize, fortify, modify, unblind, elevate, entrench, synthesize, develop, indicate, formalize, perpetuate, emphasize, redefine, ascertain, distinguish, parse, utilize, reexamine, subvert, satisfy, reestablish, alter, create, delete, select, abort, acquire, append, boolean, cancel, compute, connect, empl, excel, handler, indent, insert, join, keyword, lmage, numeric, valued, replicable, above, generic, multinomial, similar, sort, template, verifiable, address, aforementioned, appropriate, augmented, bioelectric, data, derived

circumstantiate, probate, ratify, sign

authorise, authorize, change, clear, pass, reassert, support, sustain