verb (used with object), con·tex·tu·al·ized, con·tex·tu·al·iz·ing. to put (a linguistic element, an action, etc.) in a context, especially one that is characteristic or appropriate, as for purposes of study.

Is it Contextualise or contextualize?

From Longman Dictionary of Contemporary Englishcon‧tex‧tu‧al‧ize (also contextualise British English) /kənˈtekstʃuəlaɪz/ AWL verb [transitive] formal to consider something together with the situation, events, or information related to it, rather than alone The essays seek to contextualise Kristeva's writings.

Is contextualization a noun?

contextualization noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com.