Some strong synonyms for "however" include "nevertheless," "nonetheless," "yet," "though," "although," "notwithstanding," "still," and "even so." Other alternatives are "in spite of that," "despite that," "be that as it may," and "albeit." These words or phrases can often be used interchangeably with "however," though some may require slight sentence restructuring depending on context. For example, "She travels frequently; however, she’s a nervous flier" can also be written as "She travels frequently; nevertheless, she’s a nervous flier" or "She travels frequently, though she’s a nervous flier".