maintain in Spanish
maintain in Spanish
mantener
To keep up; to preserve; to uphold (a state, condition etc.). [from 14th c.]
manutener
To keep up; to preserve; to uphold (a state, condition etc.). [from 14th c.]
mantener
To declare or affirm (a clause) to be true; to assert. [from 15th c.]
sostener
To declare or affirm (a clause) to be true; to assert. [from 15th c.]