make certain

STRONGEST

confirm determine divine double-check find out verify

STRONG

check dig discover establish eye eyeball fix identify learn peg read see settle size tell

WEAK

catch on check out check up on get down cold get down pat get hold of get it down get the hang of learn the ropes make sure pick up pick up on size up

STRONGEST

disprove invalidate

STRONG

aid assist confuse destroy help ignore look away miss misunderstand neglect overlook unsettle

STRONGEST

assure establish insure protect provide safeguard secure

STRONG

arrange certify cinch clinch confirm effect guard okay warrant

WEAK

lock on lock up make safe make sure nail down put on ice set out

STRONGEST

endanger harm hurt injure

STRONG

contradict deny forget ignore invalidate neglect reject repudiate veto

STRONGEST

assure ensure insure maintain protect prove secure support

STRONG

affirm angel attest aver back bankroll certify confirm cosign endorse evidence evince grubstake guaranty juice mortgage reassure stake swear testify wager warrant witness

WEAK

answer for be surety for bind oneself get behind give bond make bail make sure pick up the check pick up the tab sign for stand behind stand up for vouch for

STRONGEST

harm hurt injure let go neglect

STRONG

contradict deny discourage disprove invalidate oppose refute reject repudiate veto

WEAK

break

STRONGEST

care for notice perceive

STRONG

baby-sit behold discern discipline ensure govern guard look mark note observe oversee regard see sit superintend supervise watch

WEAK

be attentive give heed to have charge of keep an eye on listen up mind the store ride herd on

STRONGEST

neglect overlook

STRONG

disregard forget ignore

STRONGEST

achieve clear complete conclude decide determine end establish fix negotiate pay put an end to work out

STRONG

adjudicate adjust appoint arrange choose cinch clinch concert confirm discharge dispose figure judge mediate order reconcile regulate rule satisfy seal square verify

WEAK

call the shots clean up clear up come to a conclusion come to a decision come to an agreement form judgment make a decision nail down put into order set to rights

STRONGEST

begin commence destroy ignore neglect start unsettle

STRONG

confuse disagree disarrange disorder disorganize disturb invalidate mismanage mix up upset

STRONGEST

authenticate certify check corroborate demonstrate double-check establish find out justify prove substantiate

STRONG

attest debunk document eye eyeball peg settle size support test try

WEAK

add up bear out check out check up check up on hold up make sure pan out size up stand up

STRONGEST

conceal confuse contradict deny discredit disprove hide invalidate reject