1:
abbreviation 
shortening something by omitting parts of it
2:
abolish 
cancel; put an end to; destroy completely
3:
aboriginal 
being the first of its kind in a region; primitive; native
4:
abound 
be full of; be plentiful
5:
abrasion 
scratch; friction
6:
abridge 
condense; shorten; reduce length of written text
7:
abundance 
great or plentiful amount; fullness to overflowing
8:
accelerate 
move faster; cause to develop or progress more quickly; occur sooner than expected
9:
acclaim 
applaud; announce with great approval
10:
accommodation 
living quarters provided for public convenience
11:
accord 
settlement or compromise of conflicting opinions; written agreement between two states
12:
accumulate 
pile up; collect; mount up; increase
13:
accuser 
one who accuses; one who brings a charge of crime or fault
14:
acquaint 
inform about; cause to come to know personally; make familiar
15:
adept 
expert at; very skilled; having or showing knowledge and skill and aptitude
16:
adhere 
stick fast; stick to firmly; be compatible or in accordance with
17:
adjacent 
adjoining; neighboring; close to; lying near
18:
adjoin 
be next to; be contiguous to; border on
19:
administrate 
administer; supply
20:
adolescence 
state of growing up from childhood to manhood or womanhood; transitional period between youth and maturity
21:
advent 
coming or arrival, especially of something extremely important
22:
adverse 
in opposing direction; harmful or unfavorable; acting or serving to oppose
23:
aerial 
of the air or atmosphere; produced by or found in the air; performed in the air
24:
aesthetic 
elegant or tasteful; of or concerning appreciation of beauty or good taste
25:
affiliate 
associate; incorporate
26:
affirm 
assert; confirm
27:
affix 
fasten; append; add on; secure to something
28:
afflict 
cause pain, suffering or distress
29:
aggregate 
gather into a mass, sum, or whole; amount to
30:
agitation 
anxiety; extreme emotional disturbance
31:
agreeable 
ready to consent or submit; acceptable
32:
airing 
exposure to air for freshening or drying; exposure to public attention; radio or television broadcast
33:
albeit 
even though; although; notwithstanding
34:
allege 
state without proof; assert to be true
35:
alleviate 
provide physical relief, as from pain; make easier; remove in part
36:
allocate 
assign; distribute according to plan
37:
allot 
parcel out in parts or portions; distribute to each individual concerned; assign as a share or lot
38:
alloy 
combine; mix; make less pure; lessen or moderate
39:
alphabetical 
arranged in customary order of the letters of a language
40:
ambiguity 
state of being ambiguous; doubtfulness or uncertainty