Akademik

disaffirm
dis·af·firm /ˌdi-sə-'fərm/ vt: cancel rescind
— used esp. of a contract made by a minor
dis·af·fir·mance /ˌdi-sə-'fər-məns/ n
dis·af·fir·ma·tion /ˌdis-ˌa-fər-'mā-shən/ n

Merriam-Webster’s Dictionary of Law. . 1996.