Approval vs. Consent

Difference Between Approval and Consent
Approvalnoun
An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements.
I need to get an approval on this purchase order.Consentverb
To express willingness, to give permission.
''After reflecting a little bit, I've consented.Approvalnoun
An expression of favorable acceptance and encouragement; a compliment that also condones.
Words of approval never seem to come from him.Consentverb
(medicine) To cause to sign a consent form.
Approvalnoun
Something mailed by a seller to a collector to match his stated interests; he can approve of or return the item.
Consentverb
(obsolete) To grant; to allow; to assent to.
Approvalnoun
the formal act of giving approval;
he gave the project his blessinghis decision merited the approval of any sensible personConsentverb
To agree in opinion or sentiment; to be of the same mind; to accord; to concur.
Approvalnoun
a feeling of liking something or someone good;
although she fussed at them, she secretly viewed all her children with approvalConsentnoun
Voluntary agreement or permission.
Approvalnoun
acceptance as satisfactory;
he bought it on approvalConsentnoun
(obsolete) Unity or agreement of opinion, sentiment, or inclination.
Approvalnoun
a message expressing a favorable opinion;
words of approval seldom passed his lipsConsentnoun
permission to do something;
he indicated his consentConsentverb
give an affirmative reply to; respond favorably to;
I cannot accept your invitationI go for this resolution