UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈnəʊtəˌraɪz/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈnoʊtəˌraɪz/ ,USA pronunciation: respelling(nōtə rīz′)

Inflections of 'notarize' (v): (⇒ conjugate)
v 3rd person singular (US & UK)
v pres pverb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing." (US & UK)
v pastverb, past simple: Past tense--for example, "He saw the man." "She laughed." (US & UK)
v past pverb, past participle: Verb form used descriptively or to form verbs--for example, "the locked door," "The door has been locked." (US & UK)

WordReference Random House Learner's Dictionary of American English © 2020
no•ta•rize /ˈnoʊtəˌraɪz/USA pronunciation   v. [+ object], -rized, -riz•ing. 
  1. Businessto make (a document) legal, as by signing it before a notary public.
no•ta•ri•za•tion /ˌnoʊtərɪˈzeɪʃən/USA pronunciation  n. [uncountable]See -nota-.

WordReference Random House Unabridged Dictionary of American English © 2020
no•ta•rize  (nōtə rīz′),USA pronunciation v.t.,  -rized, -riz•ing. 
  1. Businessto certify (a document, contract, etc.) or cause to become certified through a notary public.
Also,[esp. Brit.,] nota•rise′.  no′ta•ri•zation, n. 
  • notar(y) + -ize 1925–30

Collins Concise English Dictionary © HarperCollins Publishers::
notarize, notarise /ˈnəʊtəˌraɪz/ vb
  1. (transitive) to attest to or authenticate (a document, contract, etc), as a notary
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