attendant C2+

/əˈtɛndənt/ a person who attends or serves; accompanying as a consequence

inattentive C2+

/ˌɪnəˈtɛntɪv/ not paying attention; heedless or neglectful

attender C2+

/əˈtɛndɚ/ a person who attends or is present at something

attentiveness C2+

/əˈtɛntɪvnəs/ the quality of paying close attention or being considerately observant

inattention C2+

/ˌɪnəˈtɛnʃən/ lack of attention or notice; failure to concentrate

reattendance C2+

/ˌriəˈtɛndəns/ the act of attending again or being present once more

tending C2+

/ˈtɛndɪŋ/ the act of caring for or attending to someone or something