| certes | certainly, assuredly, without doubt |
| constantly | assuredly, firmly, certainly, confidently |
| iwis | [archaism] assuredly, certainly, truly |
| peremptorily | assuredly, positively, decisively |
| right | clearly, unmistakeably, assuredly |
| sure | surely, assuredly, certainly |
| surely | certainly, doubtless, assuredly |