surely
adverb
[ ˈʃʊəli ]
• used to emphasize the speaker's firm belief that what they are saying is true and often their surprise that there is any doubt of this.
• "if there is no will, then surely the house goes automatically to you"
Similar:
it must be the case that,
I believe that,
assuredly,
without question,
don't tell me that … not …,
• with assurance or confidence.
• "no one knows how to move the economy quickly and surely in that direction"
Similar:
firmly,
steadily,
confidently,
solidly,
securely,
unhesitatingly,
unfalteringly,
unswervingly,
determinedly,
doggedly,
assuredly,