Ostensible

[o-sten-suh-buh l] /ɒˈstɛn sə bəl/

adjective
1.
outwardly appearing as such; professed; pretended:
an ostensible cheerfulness concealing sadness.
2.
apparent, evident, or conspicuous:
the ostensible truth of their theories.
/ɒˈstɛnsɪbəl/
adjective
1.
apparent; seeming
2.
pretended
adj.

1762, “capable of being shown, presentable,” from French ostensible, from Latin ostens-, past participle stem of ostendere “to show, expose to view; to stretch out, spread before; exhibit, display,” from ob “in front of” (see ob-) + tendere “to stretch” (see tenet). Meaning “apparent, professed” is from 1771.

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Ostensibly
[o-sten-suh-buh l] /ɒˈstɛn sə bəl/ adjective 1. outwardly appearing as such; professed; pretended: an ostensible cheerfulness concealing sadness. 2. apparent, evident, or conspicuous: the ostensible truth of their theories. /ɒˈstɛnsɪblɪ/ adverb 1. (sentence modifier) apparently; seemingly /ɒˈstɛnsɪbəl/ adjective 1. apparent; seeming 2. pretended adv. 1765, from ostensible + -ly (2). adj. 1762, “capable of being […]
Ostensive
[o-sten-siv] /ɒˈstɛn sɪv/ adjective 1. clearly or manifestly demonstrative. 2. . /ɒˈstɛnsɪv/ adjective 1. obviously or manifestly demonstrative 2. a less common word for ostensible 3. (philosophy) (of a definition) given by demonstrative means, esp by pointing adj. c.1600, from Late Latin ostensivus “showing,” from Latin ostensus, past participle of ostendere “to show” (see ostensible).
Ostensive-definition
noun, Philosophy. 1. the definition of a term by pointing to one or more examples to which the term can be applied.

Ostensorium
[os-tuh n-sawr-ee-uh m, -sohr-] /ˌɒs tənˈsɔr i əm, -ˈsoʊr-/ noun, plural ostensoria [os-tuh n-sawr-ee-uh, -sohr-ee-uh] /ˌɒs tənˈsɔr i ə, -ˈsoʊr i ə/ (Show IPA). Roman Catholic Church. 1. .
Ostensory
[o-sten-suh-ree] /ɒˈstɛn sə ri/ noun, plural ostensories. Roman Catholic Church. 1. . /ɒsˈtɛnsərɪ/ noun (pl) -sories 1. (RC Church) another word for monstrance