The fact of being easy, or easily done; absence of difficulty, simplicity. / Dexterity of speech or action; skill, talent.

simple past tense and past participle of condescend

(derogatory) pertaining to treknobabble (the fake technical writing or speech featured in Star Trek). / (by extension) pertaining to similar fake self-important-sounding technical information.

(phytopathology, obsolete) rust (fungal disease of plants)