600. Will -- N. will, volition, conation , velleity; liberum arbitrium [Lat.] ; will and pleasure, free will; freedom &c 748; discretion; option &c (choice) 609; voluntariness ; spontaneity, spontaneousness; originality.
601. Necessity -- N. involuntariness; instinct, blind impulse; inborn proclivity, innate proclivity; native tendency, natural tendency; natural impulse, predetermination.
602. Willingness -- N. willingness, voluntariness &c adj. ; willing mind, heart.
603. Unwillingness -- N. unwillingness &c adj.; indisposition, indisposedness ; disinclination, aversation ; nolleity , nolition ; renitence , renitency; reluctance; indifference &c 866; backwardness &c adj.; slowness &c 275; want of alacrity, want of readiness; indocility &c (obstinacy) 606 [Obs.].
604. Resolution -- N. determination, will; iron will, unconquerable will; will of one's own, decision, resolution; backbone; clear grit, true grit, grit [U.S.] ; sand, strength of mind, strength of will; resolve &c (intent) 620; firmness &c (stability) 150; energy, manliness, vigor; game, pluck; resoluteness &c (courage) 861; zeal &c 682; aplomb; desperation; devotion, devotedness.
604a. Perseverance -- N. perseverance; continuance &c (inaction) 143; permanence &c (absence of change) 141; firmness &c (stability) 150.
605. Irresolution -- N. irresolution, infirmity of purpose, indecision; indetermination, undetermination ; unsettlement; uncertainty &c 475; demur, suspense; hesitating &c v., hesitation, hesitancy; vacillation; changeableness &c 149; fluctuation; alternation &c (oscillation) 314; caprice &c 608.
606. Obstinacy -- N. obstinateness &c adj.; obstinacy, tenacity; cussedness [U.S.] ; perseverance &c 604.1; immovability; old school; inflexibility &c (hardness) 323; obduracy, obduration ; dogged resolution; resolution &c 604; ruling passion; blind side.
607. Tergiversation -- N. change of mind, change of intention, change of purpose; afterthought.
608. Caprice -- N. caprice, fancy, humor; whim, whimsy, whimsey , whimwham ; crotchet, capriccio, quirk, freak, maggot, fad, vagary, prank, fit, flimflam, escapade, boutade [Fr.] , wild-goose chase; capriciousness &c adj.; kink.
609. Choice -- N. choice, option; discretion &c (volition) 600; preoption ; alternative; dilemma, embarras de choix [Fr.] ; adoption, cooptation ; novation ; decision &c (judgment) 480.
609a. Absence of Choice -- N. no choice, Hobson's choice; first come first served, random selection; necessity &c 601; not a pin to choose &c (equality) 27; any, the first that comes; that or nothing.
611. Predetermination -- N. predestination, preordination, premeditation, predeliberation , predetermination; foregone conclusion, fait accompli [Fr.] ; parti pris [Fr.] ; resolve, propendency ; intention &c 620; project &c 626; fate, foredoom, necessity.
612. Impulse -- N. impulse, sudden thought; impromptu, improvisation; inspiration, flash, spurt.
613. Habit [includes commonness due to frequency of occurrence] -- N. habit, habitude; assuetude , assuefaction , wont; run, way.
614. Desuetude -- N. desuetude, disusage ; obsolescence, disuse &c 678; want of habit, want of practice; inusitation ; newness to; new brooms.
615. Motive -- N. motive, springs of action, wellsprings of action.
615a. Absence of Motive -- N. absence of motive, aimlessness; caprice &c 608; chance &c (absence of design) 621.
617. [Ostensible motive, ground, or reason assigned.] Pretext -- N. pretext, pretense, pretension, plea ; allegation, advocation; ostensible motive, ostensible ground, ostensible reason, phony reason; excuse &c (vindication) 937; subterfuge; color; gloss, guise, cover.
618. Good -- N. good, benefit, advantage; improvement &c 658; greatest good, supreme good; interest, service, behoof, behalf; weal; main chance, summum bonum [Lat.] , common weal; consummation devoutly to be wished; gain, boot; profit, harvest.
619. Evil -- N. evil, ill, harm, hurt., mischief, nuisance; machinations of the devil, Pandora's box, ills that flesh is heir to.