Earlier, either in time or in order. / Presumptive.

Any thing that precedes another thing, especially the cause of the second thing. / An ancestor. / (grammar) A word, phrase or clause referred to by a pronoun.

plural of antecedent

At an earlier time.

The relationship of preceding something in time or order. / That which precedes something or someone (e.g. prior events, origin, ancestry).

plural of antecedence

To go before; to precede. / To predate or antedate.

present participle of antecede

Third-person singular simple present indicative form of antecede

simple past tense and past participle of antecede