WordNet sense 1 (a formal expression by a meeting; agreed to by a vote):

declaration, resolution

WordNet sense 2 (the trait of being resolute):

firmness, resoluteness, firmness of purpose

WordNet sense 3 (reach a conclusion after a discussion or deliberation):

conclude

WordNet sense 4 (find the solution):

solve

WordNet sense 5 (reach a decision):

purpose

WordNet sense 6 (bring to an end; settle conclusively):

adjudicate, decide, settle

WordNet sense 7 (understand the meaning of):

answer

WordNet sense 8 (cause to go into a solution):

dissolve, break up