Alleviate means to reduce or relieve the intensity or severity of something, in this case, symptoms of depression. It refers to the process of making something less burdensome or distressing.
Related terms
Coping mechanisms: These are strategies individuals use to deal with stressors or challenges in their lives.
This is a form of therapy that involves talking with a mental health professional to gain insight and learn coping skills.
Placebo effect: This refers to the phenomenon where a person experiences benefits from a treatment simply because they believe it will work, even if the treatment itself has no active ingredients.