Lexical Definition

‎ἀναδέχομαι‎ anadéchomai (an-ad-ekh'-om-ahee) to receive ^G:V
from ‎ἀνά‎ and ‎δέχομαι‎

receive.

• to entertain (as a guest)

Abbott-Smith

** ἀνα-δέχομαι [in LXX: II Mac 6:19 8:36*;]
1. to assume, undertake (in π. freq. as legal term: MM, VGT, s.v.): ἐπαγγελίας, He 11:17.
2. = cl. ὑποδέχομαι, to receive: of guests, Ac 28:7.†

Abbott-Smith References

Liddell-Scott-Jones

ἀναδέχομαι,

future -δέξομαι: aorist ἀνεδεξάμην, Epic dialect aorist ἀνεδέγμην (see. below): perfect passive ἀναδέδεγμαι:— take up, catch, receive, σάκος δ᾽ ἀνεδέξατο πολλά (i.e. δόρατα) [Refs 8th c.BC+]

__2 receive, entertain as a guest, [NT]
__II take upon oneself, submit to, ἀνεδέγμεθ᾽ ὀϊζύν [Refs 8th c.BC+]: absolutely, acknowledge one's evidence, of an absent witness, [Refs 4th c.BC+]
__II.2 accept, receive, ἀγγελίαν[Refs 5th c.BC+]; λουτρὰ.. μητρὸς ἀνεδέξω πάρα [Refs]; χορηγίας, ἡγεμονίαν, [Refs 1st c.AD+]; accept a statement, [Refs 4th c.AD+]
__II.3 admit of, κλίσιν, ἀριθμόν[Refs 2nd c.AD+]
__II.4 undertake to say or do, with future infinitive, [Refs 5th c.BC+]: with aorist infinitive, [Refs 1st c.AD+]
__II.4.b undertake, with accusative, [Refs 5th c.BC+]; take upon oneself, αἰτίαν[Refs 5th c.BC+]; πρεσβείας, κινδύνους, [Refs 2nd c.BC+]
__II.5 give security to one, τινί[Refs 5th c.BC+]; go bail for, τινά[Refs 4th c.BC+]; ἀ. τοὺς δανειστάς undertake to satisfy them, [Refs 1st c.AD+]; ἀ. τὴν πίστιν ὑπέρ τινος[Refs]
__II.6 take back, [Refs 4th c.BC+]
__II.7 experience, suffer, πάθος, ταραχάς, [Refs 1st c.BC+]
__III wait for, [Refs 2nd c.BC+]

_{LSJ Scripture Refs: Acts.28.7}