The word "lightheartedly" best conveys the connotation of "blithely."
We can arrive at this answer because:
- The word "lightheartedly" conveys the sense of lightness, harmony, and happiness.
- When reading this word, the reader has a positive feeling and can remember happy emotions that do not present fears or worries.
- In this case, that word can be used to express the counting of the word "blithely," as the two have the same tone and feel.
With that, we can affirm that the two words have the same context and therefore they can even serve as synonyms of each other.
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https://brainly.com/question/17728274?referrer=searchResults
