The term 'alternative to smoking' can be summarized by two crossword solutions: NON and GUM. NON is an abbreviation for 'non-smoking, ' which is a lifestyle choice that involves abstaining from smoking cigarettes, cigars, pipes, and other tobacco products. GUM is an acronym for 'nicotine GUM, ' which is a type of nicotine replacement therapy that helps smokers quit by providing them with a safe and effective way to satisfy their cravings without the harmful effects of smoking.