- showing, indicating, or characterized by affection or love; fondly tender: an affectionate embrace.
- having great affection or love; warmly attached; loving: your affectionate brother.
- strongly disposed or inclined.
- passionate; headstrong.
- biased; partisan.
- having or displaying tender feelings, affection, or warmthan affectionate mother; an affectionate letter
1580s, “fond, loving,” from affection + -ate (1). Early, now mostly obsolete, senses included “inclined” (1530s), “prejudiced” (1530s), “passionate” (1540s), “earnest” (c.1600). Other forms also used in the main modern sense of the word included affectious (1580s), affectuous (mid-15c.).