cheer 2895 -- towb -- be (do) better, {cheer}, be (do, seem) 
good, (make) goodly, Xplease, (be, do, go, play) well.

cheer 8055 -- samach -- {cheer} up, be (make) glad, (have, make) 
joy(-ful), be (make)merry, (cause to, make to) rejoice, X very.

cheer 2114 ** euthumeo ** be of good {cheer} (merry).

cheer 2115 ** euthumos ** of good {cheer}, the more cheerfully.

cheer 2293 ** tharseo ** be of good {cheer} (comfort).

cheerful 2896 -- towb -- beautiful, best, better, bountiful, 
{cheerful}, at ease, X fair (word), (be in) favour, fine, glad, 
good (deed, -- lier, -- liest, -- ly, -- ness, -- s), graciously,
 joyful, kindly, kindness, liketh (best),loving, merry, X most, 
pleasant, + pleaseth, pleasure, precious,prosperity, ready, 
sweet, wealth, welfare, (be) well ([-favoured]).

cheerful 3190 -- yatab -- be accepted, amend, use aright, 
benefit, be (make) better,seem best, make {cheerful}, be comely, 
+ be content, diligent(-ly), dress,earnestly, find favour, give, 
be glad, do (be, make) good([-ness]), be(make) merry, please (+ 
well), shew more [kindness], skilfully, X verysmall, surely, 
make sweet, thoroughly, tire, trim, very, be (can, deal,entreat, 
go, have) well [said, seen].

cheerful 5107 -- nuwb -- bring forth (fruit), make {cheerful}, 
increase.

cheerful 2431 ** hilaros ** {cheerful}.

cheerfully 2115 ** euthumos ** of good cheer, the more 
{cheerfully}.

cheerfulness 2432 ** hilarotes ** {cheerfulness}.