1) Immateriality 2) Incorporeality 3) Intangibility 4) Intangibleness 1) Intangibility 2) Intangibleness 
• (n.) The quality of being impalpable.
Im·pal`pa·bil'i·ty noun [ Confer French impalpabilité .] The quality of being impalpable. Jortin. 
impalpable, impalpably, impalpability 1. Not palpable; incapable of being perceived by the sense of touch; intangible. 2. Difficult for the mind to grasp readily or easily; such as, impalpable distinctions. 3. With reference to a powder, so fine that when rubbed between the fingers no grit is felt. 4. Impossible of being detected by touch; extrem...