—v.t. 1. to speak or think favorably of; pronounce or consider agreeable or good; judge favorably: to approve the policies of the administration. 2. to consent or agree to: Father approved our plan to visit Chicago. 3. to confirm or sanction formally; ratify: The Senate promptly approved the bill. 4. Obs. a. to demonstrate; show.
b. to make good; attest.
c. to prove by trial.
d. to convict.
—v.i. to speak or consider favorably (sometimes fol. by of): Mother didn't approve of him. The boss wouldn't approve of the plan. He said that he approved.