Lexical Definition

‎ἐκτίθημι‎ ektíthēmi (ek-tith'-ay-mee) to explain/expose ^G:V
from ‎ἐκ‎ and ‎τίθημι‎

cast out, expound.

• to expose
• figuratively, to declare

Abbott-Smith

ἐκ-τίθημι [in LXX for נָתַן ni., etc. ;]
to set out, expose: Ac 7:21, Metaph., to set forth, expound: Ac 11:4 28:23; c. acc rei, Ac 18:26.†

Abbott-Smith References

Liddell-Scott-Jones

ἐκτίθημι

(infinitive -τιθεῖν[Refs]future -θήσω: perfect -τέθεικα[Refs 2nd c.BC+]:—set out, place outside, πυκινὸν λέχος [Refs 8th c.BC+]; expose on a desert island, [Refs 5th c.BC+]; expose a new-born child, [Refs 5th c.BC+] —so in passive, τέθνηκε.. θηρσὶν ἐκτεθείς[Refs]; expose, ἑαυτὸν βέλεσι [Refs 1st c.AD+] —middle, ἐκτίθεσθαι λείαν εἰς Βιθυνούς export it thither, [Refs 1st c.AD+]

__II set up, offer for a prize, λέβητας ἐκτιθεὶς φέρειν [Refs 5th c.BC+]
__II.b fix or grant allowances, rates of pay, etc., [Refs 3rd c.BC+]
__II.2 exhibit publicly, post up, νόμους πρὸς τοὺς ἐπωνύμους Decrees cited in [Refs 5th c.BC+]; ὀνόματα εἰς στοάν [Refs 3rd c.BC+] —passive, ὅπως ἐκτεθῶσι [οἱ νόμοι] [Refs]
__II.3 expose for sale, [Refs 2nd c.AD+]
__III set forth, expound, τὴν πρόθεσιν [Refs 4th c.BC+]:—also middle, λόγους καθόλου [Refs 4th c.BC+]
__III.2 Philos., predicate separate existence of a thing, explain by means of abstraction, [Refs 4th c.BC+]
__IV middle, set forth, select particular instances of a rule, [ποιεῖν τὴν ἀπόδειξιν] τῶ ἐκθέσθαι [Refs] —passive, τὸ ἐκτεθέν[Refs]
__IV.2 set out terms in syllogistic form, [Refs]
__IV.3 isolate in thought, [Refs]
__IV.4 pick out for separate treatment, [Refs]
__IV.5 ἐ. καθόλου set out in general form, [Refs]