The term 'Soothing Plant' can be solved by the word 'Aloe'. Aloe is a succulent plant species that is native to Africa and the Arabian Peninsula. It has been used for centuries as a medicinal plant, with its gel being used to treat skin conditions such as sunburns, cuts, and scrapes. Aloe is also known for its calming and soothing properties, making it an ideal choice for a crossword puzzle clue.