The term 'positively' can be expressed in a variety of ways, including 'UNEQUIVOCALLY' (13 letters), 'COMPLETELY' (10 letters), 'EXACTLY' (7 letters), 'FULLY' (5 letters), 'UNQUESTIONABLY' (14 letters), 'YES' (3 letters), 'ASSUREDLY' (9 letters), 'SURE' (4 letters), 'QUITE' (5 letters), 'DEFINITELY' (10 letters), 'INDUBITABLY' (11 letters), 'FLAT' (4 letters), 'ABSOLUTELY' (10 letters), 'INDEED' (6 letters), 'noifsandsorbuts' (15 letters), 'nowyouretalking' (15 letters), and 'yourenotkidding' (15 letters). These words all convey the same meaning of certainty and assurance, and are often used to express agreement or confirmation.