Lexical Definition

‎συγγνώμη‎ syngnṓmē (soong-gno'-may) concession ^G:N-F
from a compound of ‎σύν‎ and ‎γινώσκω‎

permission.

• fellow knowledge, i.e. concession

Abbott-Smith

** συν-γνώμη (Rec. συγγ-), -ης, ἡ (< συγγιγνώσκω, (a) to agree with; (b) to pardon), [in LXX: Si prol.14 (B1א1 om.) 313, Mac 14:20* ;]
1. confession.
2. fellow feeling; hence, concession, allowance: I Co 7:6 (v. ICC, in l.).
3. pardon.†

Abbott-Smith References

Liddell-Scott-Jones

συγγνώμη,

fellow-feeling, forbearance, lenient judgement, allowance, [συγγνώμην ἔχειν">NT+5th c.BC+] judge kindly, excuse, pardon, [Refs 5th c.BC+]; τινι [Refs 5th c.BC+]; τινος for a thing, [Refs 5th c.BC+]; followed by ὅτι, [Refs 5th c.BC+]; by εἰ.., [Refs 5th c.BC+]; by infinitive, [Refs 5th c.BC+]

__b συγγνώμης τυγχάνειν [Refs 5th c.BC+]; παρά τινος from a person, [Refs 5th c.BC+]; συγγνώμης τινός, ὑπέρ τινος τυχεῖν, for a thing, [Refs 5th c.BC+]; ξυγγνώμην ἁμαρτεῖν.. λήψονται will be pardoned for offending, [συγγνώμην αἰτεῖσθαι 5th-6th c.BC: Plato Philosophus “Critias” 106b ">Refs 5th c.BC+]; σ. ἔχει calls for for-bearance, [Refs 5th c.BC+]; ἐχέτω σ. let it pass, [Refs 1st c.AD+]
__c πολλὴ ἔκ γε ἐμεῦ ἐγίνετο σ. [Refs 5th c.BC+]; συγγνώμη τοι I excuse you, [συγγνώμη [ἐστί]">Refs 5th c.BC+], with accusative et infinitive, it is excusable that.., [Refs 4th c.BC+]; τὸ πεπεῖσθαι.. σ. [Refs]: also with a participle, σ. [ἐστί τινι] πλοῦτον ἀγειρομένῳ [Refs 1st c.AD+]; σ. [ἐστὶ] εἰ.., ἐὰν.., [Refs 5th c.BC+]
__2 Rhet., confession and avoidance, [Refs 2nd c.AD+]

_{LSJ Scripture Refs: 1Cor.7.6}