General Meaning (inclination or tendency):
* Tendency
* Propensity
* Inclination
* Habit
* Nature
* Temperament
Legal Meaning (transfer of property):
* Transfer
* Conveyance
* Assignment
* Bequest
Mental State (mood, attitude):
* Mood
* Attitude
* Temper
* Spirit
* Frame of mind
Personality Trait:
* Character
* Personality
* Temperament
* Nature
Can you provide me with the specific context you are using "disposition" in? This will help me find the most accurate synonym.