Read the dictionary definition of declare. All definitions for this word.
1. state firmly
1. He declared that he was innocent
2. declare to be
1. She was declared incompetent
2. judge held that the defendant was innocent
3. announce publicly or officially
1. The President declared war
4. proclaim one's support, sympathy, or opinion for or against
1. His wife declared at once for moving to the West Coast
5. state emphatically and authoritatively
1. He declared that he needed more money to carry out the task he was charged with
6. make a declaration (of dutiable goods) to a customs official
1. Do you have anything to declare?
7. designate (a trump suit or no-trump) with the final bid of a hand
8. authorize payments of
1. declare dividends
