Thoughtfulness is a quality that involves being serious, paying ATTENTION, considering others, contemplating decisions, and being tactful. It is an important trait to have in many aspects of life, from personal relationships to professional ones. SERIOUSNESS (11 letters) refers to taking something seriously and being earnest about it. ATTENTION (9 letters) is the act of focusing on something or someone. CONSIDERATION (13 letters) is the act of thinking about the needs and feelings of others. CONTEMPLATION (13 letters) is the act of carefully thinking about something before making a decision. TACT (4 letters) is the ability to be diplomatic and sensitive when dealing with difficult situations. Together, these qualities make up the trait of thoughtfulness.