Any adjustments or modifications in environment, instruction, or materials used for learning that enhance the student's performance or allow participation in an activity.
by state definition, "changes made to the environment, curriculum, and instruction and/or assessment practices in order for a student to be a successful learner. Adaptations include accommodations and modifications."
a generic term that encompasses both accommodations and modifications. Both curricular and instructional adaptations may be used in their classroom according to their perceived acceptability by teachers.