'Hesitant' means unsure, tentative, or showing reluctance. The opposite would be confident, smooth, or flowing naturally. 'Fluent' means flowing easily and smoothly, which is a strong antonym to hesitant behavior. 'Inconsistent' (misspelled as 'Inconsistant') is not directly opposite, while 'Forbidding', 'Flippant', and 'Floppy' are unrelated concepts.