accede ( to a treaty )

accentuate 

problem is accentuated by

accession

acclaim

accommodate

a hall accommodating 300 people

accomplish one's end

accord

of my own accord

he was accorded a hearty welcome

this would accord with common sense 

according as the demand increases, prices go up (хотя по идее всегда ACCORDING TO)

give a good account of

by all accounts

how do you account for being absent? (=explain)