Dictionary · Portuguese

basear

verb

Senses

  1. 1.

    to base, to ground

    to use something as the foundation or basis for an idea, argument, or work

  2. 2.

    to base oneself, to rely on

    reflexive: to use something as support or foundation for one's reasoning or action

Examples

  • "O diretor baseou o filme em fatos reais."

    The director based the film on real events.

  • "Ela se baseou em várias fontes científicas para escrever o artigo."

    She based herself on several scientific sources to write the article.

  • "Em que você se baseou para chegar a essa conclusão?"

    What did you base yourself on to reach that conclusion?

Usage

Commonly used with the preposition "em" (basear em/basear-se em). The reflexive form "basear-se" is very frequent in both formal and informal Brazilian Portuguese. Often appears in academic and professional contexts when citing sources or justifying arguments.

Conjugation

Full table

Presente

indicative
eubaseio
ele/ela/vocêbaseia
nósbaseamos
eles/elas/vocêsbaseiam

Pretérito Perfeito

indicative
eubaseei
ele/ela/vocêbaseou
nósbaseamos
eles/elas/vocêsbasearam

Pretérito Imperfeito

indicative
eubaseava
ele/ela/vocêbaseava
nósbaseávamos
eles/elas/vocêsbaseavam

Pretérito Mais-que-perfeito

indicative
eubaseara
ele/ela/vocêbaseara
nósbaseáramos
eles/elas/vocêsbasearam