Definitions of advertently. adverb. in a careful deliberate manner. synonyms: heedfully, mindfully. What is Advertant? : giving attention : heedful. Is Advertently a real word? adverb. In an advertent manner; attentively; knowingly, intentionally. Now often opposed to “inadvertently”. Is Heedfully a word? taking heed; attentive; mindful; thoughtful; careful: She wasRead More →