153. [Constant antecedent]. Cause -- N. cause, origin, source, principle, element; occasioner , prime mover, primum mobile [Lat.] ; vera causa [Lat.] ; author &c (producer) 164; mainspring; agent; leaven; groundwork, foundation &c (support) 215.
154. [Constant sequent.] Effect -- N. effect, consequence; aftergrowth , aftercome ; derivative, derivation; result; resultant, resultance ; upshot, issue, denouement; end &c 67; development, outgrowth, fruit, crop, harvest, product, bud.
155. [Assignment of cause] Attribution -- N. attribution, theory, etiology, ascription, reference to, rationale; accounting for &c v.; palaetiology1, imputation, derivation from.
156. [Absence of assignable cause.] Chance -- N. chance, indetermination, accident, fortune, hazard, hap, haphazard, chance medley, random, luck, raccroc , casualty, contingence, adventure, hit; fate &c (necessity) 601; equal chance; lottery; tombola ; toss up &c 621; turn of the table, turn of the cards; hazard of the die, chapter of accidents, fickle finger of fate; cast of the dice, throw of the dice; heads or tails, flip of a coin, wheel of Fortune; sortes , sortes Virgilianae .