Lexical Definition

‎ζήτημα‎ zḗtēma (dzay'-tay-mah) a question/dispute ^G:N-N
from ‎ζητέω‎

question.

• a search (properly concretely), i.e. (in words) a debate

Abbott-Smith

ζήτημα, -τος, τό (< ζητέω), [in LXX: ζ. τίθεσθαι (דּרשׁ ni.), Ez 36:37 A*;]
an inquiry, question: Ac 15:2 18:15 23:29 25:19 26:3.†

Abbott-Smith References

Liddell-Scott-Jones

ζήτημα-ημα, ατος, τό,

that which is sought, [Refs 5th c.BC+]; οὐ ῥάδιον ζ. a thing not easy to find, of Pentheus' mutilated limbs, [Refs 5th c.BC+]; δυσνοούμενον ζ., of God, [Refs 2nd c.AD+]

__II inquiry, question, [NT+5th c.BC+]; especially of a philosophic nature, τὸ περὶ νόμους ζ. [Refs 5th c.BC+]; τὰ περὶ φύσεως ζ[Refs 4th c.AD+]; also τοῦτ᾽.. οὗ τυγχάνει ζ. [Refs 5th c.BC+]; search, σῶμα μυρίοις ζητήμασιν εὑρών [Refs 5th c.BC+]; μητρός after her, [Refs]
__II.2 official or judicial inquiry, [Refs 2nd c.AD+]
__III in plural, claims, [Refs 3rd c.AD+]; subjects of dispute, [NT+1st c.AD+]

_{LSJ Scripture Refs: Acts.15.2 ☩ Acts.25.19}