(a.) of or pertaining to conation.

Vorspiel advised aimed aimed at alternative arbitrary autonomous avant-propos breakthrough calculated chosen conative concert overture conscious considered contemplated curtain raiser deliberate deliberated descant designed discretional discretionary disjunctive dramatic overture elected elective envisaged envisioned exordium foreword free free will front matter frontispiece gratuitous independent innovation intended intentional introduction knowing leap meant meditated nonmandatory of design offered operatic overture optional overture planned postulate preamble preface prefix prefixture preliminary prelude premeditated premise presupposition proem proffered projected prolegomena prolegomenon prolepsis prologue proposed protasis purposed purposeful purposive self-acting self-active self-determined self-determining spontaneous studied teleological unasked unbesought unbidden uncalled-for uncoerced uncompelled unconstrained unforced uninfluenced uninvited unpressured unprompted unrequested unrequired unsolicited unsought vamp verse volitional volunteer willful willing witting