The word "perpending" refers to the act of considering or contemplating something deeply. Antonyms for this term would include words such as disregard, ignore, neglect, overlook, or dismiss. These words indicate a lack of attention towards a certain concern or matter, rather than actively contemplating it. For instance, if someone disregarded a certain problem or issue, they would not be perpending it. Conversely, if someone was perpending a particular issue, they would be fully engaged in thoughtful consideration of it. Therefore, antonyms for the word "perpending" represent a departure from contemplation or deep thought on a particular matter.