matitudinal

/M AH0 T AH0 T UW1 D AH0 N AH0 L/
adjective
  1. 1

    Of, occurring in, or relating to the morning, especially the early morning upon waking up.

  2. 2

    Active in the morning; waking up early.

  3. 3

    (formal or literary) Synonym of matutinal.