worry

ensure, reassure, guarantee, convince, safeguard, remind, insure, protect, insist, maintain, inform, implore, secure, emphasize, prove, advise, presume, believe, allay, assert, facilitate, urge, reestablish, apprise, enure, establish, attest, assume, achieve, jeopardize, reemphasize, satisfy, reiterate, deprive, stressing, reaffirm, demonstrate, undermine, disabuse, restore, proclaim, determine, commend, assuage, verify, persuade, know, tell, ascertain, encourage, understand, make, affirm, warn, prevent, embarrass, acquaint, uphold, certify, preserve, acknowledge, minimize, provide, pretend, maximize, reconfirm, keep, expedite, confirm, enhance, attain, say, preordain, ingratiate, conclude, educate, clarify, pray, delude, enable, forestall, sustain, forewarn, bring, hope, congratulate, thank, surmise, instill, appreciate, absolve, strive, engender, mitigate, declare, prejudge, reeducate, mislead, insinuate, vouch, shortchange, suggest

card, cinch, contract, control, cross-check, double-check, go back on, pledge, plight, renege, renege on, renegue on, spot-check, swear off, undertake

make, registered, registered mail, registered post, secure

aver, avow, calm, calm down, lull, quiet, quieten, still, swan, swear, tranquilize, tranquillize

check, promise, see, see to it