Final answer:
The word with a positive connotation from the poem "May Day" by Sara Teasdale is 'loving,' reflecting the poem's appreciative tone toward nature's beauty.
Step-by-step explanation:
In the poem "May Day" by Sara Teasdale, the word with a positive connotation is loving. This word conveys a sense of affection and warmth, which aligns with the positive and appreciative tone of the poem as it describes the beauty of nature in May. Other words like "clenched" or "wild" may not inherently hold a positive connotation, while "raindrop" is more neutral. The choice of the word "loving" encapsulates the speaker's intent to cherish and connect deeply with every element of the surrounding world, emphasizing a heartfelt appreciation of the fleeting moments in nature.