Anagrams of: AAERSU

• a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure

• an indication of radiant light drawn around the head of a saint

• a distinctive but intangible quality surrounding a person or thing

• a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)

• a subject of study

• a part of an animal that has a special function or is supplied by a given artery or nerve

• a particular environment or walk of life

• a part of a structure having some specific characteristic or function

• the extent of a 2-dimensional surface enclosed within a boundary

• Distinctive atmosphere or quality associated with something.

• An invisible force surrounding a living creature.

• Perceptual disturbance experienced by some migraine sufferers before a migraine headache.

• Telltale sensation experienced by some people with epilepsy before a seizure.

• the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics

• having or feeling no doubt or uncertainty; confident and assured

• certain to occur; destined or inevitable

• definitely or positively (`sure' is sometimes used informally for `surely')

• exercising or taking care great enough to bring assurance

• physically secure or dependable

• reliable in operation or effect

• (of persons) worthy of trust or confidence

• infallible or unfailing

• certain not to fail

• impossible to doubt or dispute

• a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)

• a subject of study

• a part of an animal that has a special function or is supplied by a given artery or nerve

• a particular environment or walk of life

• a part of a structure having some specific characteristic or function

• the extent of a 2-dimensional surface enclosed within a boundary

• (Greek mythology) Greek god of war; son of Zeus and Hera; identified with Roman Mars