Microsoft Word ielts 4000 Academic Word List

assassination:
act of assassinating; killing by treacherous violence; murder of public figure by 
surprise attack
assault:
attack; onslaught
assemble:
put together; bring or call together into a group or whole
assembly:
gathering; meeting; a group of persons gathered together for common reason
assert:
declare or state with confidence; put oneself forward boldly
assess:
estimate value; judge worth of something
assessment:
act of judging or assessing; amount determined as payable
assign:
appoint; allot; make over; point out authoritatively or exactly
assignment:
task given to students; job; distribution; appointment

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assist:
give help or support to, especially as a subordinate
assistance:
activity of contributing to fulfillment of a need or furtherance of an effort or purpose
assistant:
helper; person who assists or helps someone else
associate:
connect or join together; combine
association:
connection, whether of persons of things; union of persons in a company or society for 
some particular purpose
assorted:
varied; miscellaneous
assortment:
variety; collection containing a variety of sorts of things
assume:
suppose; presume; take on; bear
assumption:
something taken for accepted as true without proof; taking over or taking possession of
assurance:
promise or pledge; certainty; self-confidence; freedom from doubt
assure:
solidify; guarantee; convince
assured:
made sure; exhibiting confidence or authority; indubitable
astonish:
surprise; shock
astound:
affect with wonder; surprise; shock