Opposite words for disregard:
curiosity, awareness, vehemence, warmheartedness, concern, desire, conscientiousness, attentiveness, attention, sensitivity, passion, bias, ardor, prejudice, keenness, warmth, interest, regard, heedfulness, zeal, fervency, partiality.
Usage samples:
  1. Utter disregard of others- where it does not affect your own wages- is your rule, and you know it.
    "Editorials-from-the-Hearst-Newspapers", Brisbane, Arthur.
  2. I should not wish for any reason to disregard his command.
    "Four Arthurian Romances "Erec et Enide", "Cliges", "Yvain", and "Lancelot"", Chretien DeTroyes.
  3. I would give one of my eyes to be able to disregard him."
    "The Duke's Children", Anthony Trollope.
  4. " Some you will like, and some you will not," she replied, with calm disregard of her previous assertion.
    "A Daughter of the Vine", Gertrude Franklin Horn Atherton.