The word "sottishly" refers to someone who is under the influence of alcohol or drugs and behaves in a reckless manner. There are several synonyms that can be used in place of sottishly such as drunkenly, boozily, intoxicatedly, inebriatedly, tipsily, and bibulously. These words convey a similar meaning to sottishly and are often used interchangeably depending on the context. For example, if you observe someone staggering and slurring their words after consuming alcohol, you could say they are behaving drunkenly or sottishly. However, it is important to use these words with care and sensitivity as they can carry negative connotations.