The phrase "had tendency" refers to a person's inclination or predisposition towards a particular behavior or characteristic. There are several synonyms that can be used interchangeably with this phrase, including proclivity, leaning, inclination, tendency and disposition. Alternatively, one could use the phrase "was prone to" or "had a propensity for" to convey the same meaning. By using different synonyms for the phrase "had tendency," a writer can avoid repetitive language and craft more nuanced and compelling prose. Additionally, varying the language used to describe a character's behavior can lend greater depth and complexity to their personality and motivations.