admit    kwemera
(to cause to) kwemeza
(one's wrong to avoid being caught) kwīyagiriza
En-En dictionary 
kwemeza (-emeje)     v    1. to convince, 2. to prove, 3. to confirm, 4. to cause to admit or accept
kwīyagiriza (-īyagirije)     v    1. to admit one's wrong to avoid being caught, 2. to hide in a corner, 3. to tell what one has done
kwemera (-emeye)     v    1. to be willing, to agree to, 3. to admit, to acknowledge, to confess, concur, 4. to accept, 5. to approve, 6. to believe, to believe in