"Be part of" is a commonly used expression that denotes inclusion or involvement in something. However, it can be useful to use synonyms to add variety to our language and convey a similar idea in a different way. Some possible synonyms for "be part of" include "participate in," "take part in," "join in," "engage in," "contribute to," "belong to," and "have a part in." Each of these phrases subtly alters the connotation of the original phrase, conveying different tones or levels of involvement. Choosing the right synonym can add nuance and depth to our writing and help us to express ourselves more clearly.