Accede is a synonym of acquiesce.
Acquiesce is a synonym of accede.
As verbs the difference between acquiesce and accede is that acquiesce is to rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object; — followed by "in", sometimes also by "with" and "to" while accede is (archaic|intransitive) to approach; to arrive, to come forward.
The acme that got married with the tradedian was not for her in this worldshe felt that she wud take here place with a certain digntiy
Thanksgiving is a day everyone gives thanks for when the native Indians helped the Europeans. Labor Day is being grateful for our American soldiers.
Something like that.