Antonyms of adj ideational

1 sense of ideational

Sense 1
conceptional, ideational, notional -- (being of the nature of a notion or concept; "a plan abstract and conceptional"; "to improve notional comprehension"; "a notional response to the question")

INDIRECT (VIA abstract) -> concrete -- (capable of being perceived by the senses; not abstract or imaginary; "concrete objects such as trees")

Similarity of adj ideational

1 sense of ideational

Sense 1
conceptional, ideational, notional -- (being of the nature of a notion or concept; "a plan abstract and conceptional"; "to improve notional comprehension"; "a notional response to the question")
       => abstract (vs. concrete) -- (existing only in the mind; separated from embodiment; "abstract words like `truth' and `justice'")