Absolutely (6)
'absolutely' is the definition.
(both can be used to agree with something)
This is all the clue.
(Other definitions for indeed that I've seen before include "Really, actually" , "In reality" , "Very much so" , "Truly or admittedly" , "Certainly, quite so" .)
'absolutely' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for simply that I've seen before include "In a straightforward manner" , "Merely, just" , "Without fuss" .)
'absolutely' is the definition.
(both can be used to give an affirmative answer)
This is all the clue.
(Other definitions for yes that I've seen before include "Positive response" , "OK" , "Indeed" , "Oui" , "I agree" .)
'absolutely' is the definition.
(I know that absolutely can be written as utterly)
This is the entire clue.
(Other definitions for utterly that I've seen before include "In all respects" , "Completely and without qualification" , "Downright" , "Completly and without qualification" , "Thoroughly, wholly" .)
'absolutely' is the definition.
(synonyms)
This is all the clue.
(Other definitions for totally that I've seen before include "in every respect" , "without reservation" , "Wholly" , "Utterly" , "Quite" .)
'absolutely' is the definition.
(both can mean 'extremely')
This is the entire clue.
(Other definitions for not half that I've seen before include "A full pint?" , "anything except 50%" , "Very much (colloq.)" , "missing 50%" , "Very much, greatly" .)
'absolutely' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for ill say that I've seen before include "Quite so!" , "I agree wholeheartedly!" , "expression of agreement" , "I totally agree!" , "Definitely" .)
'absolutely' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for sure that I've seen before include "Certain, confident" , "Feeling no doubt" , "Convinced" , "Undoubtedly true" , "Definite" .)