'vilevile' means 'also/too/in addition'. Synonyms are 'pia' to mean 'too' or 'aidha' to mean 'in addition' e.g.

We saw lions and elephants, too - Tuliona simba na tembo vilevile/pia

We saw lions. In addition, elephants were present - Tuliona simba. Aidha/vilevile, tembo walikuwepo