Admonitively refers to something said or done in an admonishing manner, that is, in a way that advises against something or warns of danger or harm. Antonyms for this word would, therefore, include words that indicate approval, encouragement, or praise. Positive antonyms for admonitively include words such as commendably, commendatory, laudatorily, positively, or approvingly. Other antonyms may focus on a lack of admonition, such as words like indifferently, casually, or unaffectedly. Admonitively is a word that often arises in situations where one person is advising another, and so antonyms that move away from advice and towards support or apathy may be more appropriate.