Synonyms of basal

Adjective

1. radical (vs. cauline), basal

usage: especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem; "basal placentation"; "radical leaves"

2. basal, base, basic (vs. incidental)

usage: serving as or forming a base; "the painter applied a base coat followed by two finishing coats"

3. basal, primary, essential (vs. inessential)

usage: of primary importance

Definition and meaning of basal (Dictionary)