say it: in-VAHLV-muhnt
involvement is a noun meaning "the act of sharing in the activities of a group". It carries 5 recorded senses.
the act of sharing in the activities of a group
“the teacher tried to increase his students' engagement in class activities”
a connection of inclusion or containment
“he escaped involvement in the accident”
“there was additional involvement of the liver and spleen”
a sense of concern with and curiosity about someone or something
“an interest in music”
the condition of sharing in common with others (as fellows or partners etc.)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for involvement come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.