S: (n) assent, acquiescence (agreement with a statement or proposal to do something) "he gave his assent eagerly"; "a murmur of acquiescence from the assembly"
S: (n) accession, assenting (agreeing with or consenting to (often unwillingly)) "accession to such demands would set a dangerous precedent"; "assenting to the Congressional determination"
S: (n) subscription (agreement expressed by (or as if expressed by) signing your name)
S: (n) ratification, confirmation (making something valid by formally ratifying or confirming it) "the ratification of the treaty"; "confirmation of the appointment"
W: (adj) accordant [Related to: accordance] (being in agreement or harmony; often followed by `with') "a place perfectly accordant with man's nature"-Thomas Hardy
S: (n) accordance, accordance of rights (the act of granting rights) "the accordance to Canada of rights of access"