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assorted of different kinds or sorts, collected together; variety.
assortment a collection of different sorts of things; variety.
assume to suppose (something) to be true without knowing the actual facts; take for granted. [3 definitions]
assumption something that is supposed or believed without questioning. For example, if you ask someone whether she is allowed to watch TV during dinner, you have made an assumption that there is a TV in her house. Assumptions are ideas people have that are not based on proven facts. An assumption can be correct or incorrect. [2 definitions]
assurance a statement meant to give confidence. [2 definitions]
assure to say to with force or conviction. [3 definitions]
aster a plant with white, pink, blue, or purple flowers. The flowers are made up of many narrow petals around a yellow center.
asterisk a sign (*). It is used to show that there is other information on the page that explains the information where the sign is placed.
asteroid a small, rocky, planet-like body that circles the sun, mostly found between the orbits of Jupiter and Mars. The size of an asteroid can range from less than one mile to five hundred miles across.
asthma a disease of the lungs that makes it difficult to breathe. Asthma is often caused by an allergy.
as though as if.
astir in action; moving.
astonish to fill with great surprise or amazement.
astonishment great surprise or amazement.
astound to cause surprise or wonder; amaze.
astray off the right or known path or course.
astride over or upon and with a leg on each side of. [2 definitions]
astrology the study of the influence that the stars and planets may have on people's lives.
astronaut a person trained to take part in space flight.
astronomer a scientist who studies the universe beyond the earth.
astronomical having to do with astronomy. [2 definitions]