Charlton T. Lewis, An Elementary Latin Dictionary

cf. spondeo, free will, accord, impulse, motion .—Only abl sing ., usu. with pron poss., of one's own accord, freely, willingly, voluntarily : Suā sponte recte facere, of his own accord , T.: tuā sponte facere, voluntarily : Gallia ipsa suā sponte excitata, of its own motion : transisse Rhenum sese non suā sponte, sed rogatum et accersitum a Gallis, Cs.: sponte meā componere curas, V.: Italiam non sponte sequor, of my own will , V.: Sponte properant, O.: equus sponte genua submittens, Cu.: magis popularium quam suā sponte, Cu.— By oneself, without aid, alone : nec suā sponte, sed eorum auxilio: cum oppidani suā sponte Caesarem recipere conarentur, Cs.: iudicium quod Verres suā sponte instituisset, i. e. without precedent : neque id solum meā sponte (prospexi), i. e. by my own foresight .—Of things, with suā, of itself, spontaneously : is autem ardor non alieno impulsu sed suā sponte movetur, etc.: Stellae sponte suā iussaene vagentur et errent, H.: sapientem suā sponte ac per se bonitas et iustitia delectat: ex loco superiore, qui prope suā sponte in hostem inferebat, L.: Te Sponte suā probitas officiumque iuvat, O.—Without suā (poet.): Sponte deae munus promeritumque patet (i. e. sine indice), O.