yup

yeah

Casual spoken agreement

• sureFree from uncertainty
• okayAdequate or permitted
• alrightAcceptably adequate

mhmm · uh-huh · gotcha · cool · righto · totally · no problem · of course · fine · good

consensus

General group agreement

• accordHarmony between parties
• concurrenceState of agreeing
• assentFormal expression of approval

acknowledgment · confirmation · approval · acceptance · validation · endorsement · understanding · nod · thumbs-up · go-ahead

yes

Opposite of no

• indeedWord affirming emphasis
• certainlyWithout any doubt
• absolutelyCompletely, without exception

definitely · surely · positively · undoubtedly · assuredly · truly · really · confirmed · agreed · correct

• affirmativesyes, yeah, absolutely, okay, OK
• agreementagree, accord, yes, yeah, OK
• informal approvalokay, cool, nice, great, awesome
• saying yesyes, nodding, agreeing, sure, accepting
• slang repliesyeah, nah, nope, okay, OK
• interjectionsah, hey, aha, sheesh, oh